Contextualizing Period 6, 1865-1898

By the end of this lesson, students will be able to:

• Explain why Period 6 is conventionally bounded by 1865 (the close of the Civil War) and 1898 (the Spanish-American War), and account for the overlap with Reconstruction at the start and the imperial turn at the end.
• Identify the three major Key Concept clusters that organize Unit 6: the rise of industrial capitalism, the migrations that came with industrialization, and the Gilded Age cultural movements and political debates that responded to both.
• Describe how technology, finance, federal policy, and a vast immigrant labor force together produced the second industrial revolution that transformed the United States between Appomattox and the Spanish-American War.
• Use Skill 4.B (Contextualization) to situate at least one Period 6 development inside its broader Atlantic, transcontinental, and global setting.
• Account for the continuities that connect the agrarian republic of 1865 to the industrial empire of 1898, and the shifts that distinguish Period 6 from Period 7 (the era of Progressive reform and overseas empire).

Period 6 is the hinge on which modern America turns. In 1865, two thirds of the labor force still worked on farms, the federal government collected almost no peacetime tax revenue, and the trans-Mississippi West was a sparsely settled and Indigenous-controlled interior. By 1898, when the United States declared war on Spain, the country produced more steel than Britain and Germany combined, ran more rail miles than all of Europe, and held a third of its workforce inside factories powered by coal, electricity, and the Bessemer converter. The transformation that made that thirty-three-year leap possible runs along three connected tracks. Technological advances, large-scale production methods, and the opening of new markets fueled the rise of industrial capitalism (KC-6.1). The migrations that came with industrialization reshaped both urban and rural areas of the United States and produced dramatic social and cultural change (KC-6.2). And the Gilded Age produced new cultural and intellectual movements, public reform efforts, and political debates over economic and social policy (KC-6.3).

The first track is the industrial story (KC-6.1). After the Civil War, federal subsidies for transportation and communication systems helped open new markets across North America, and the integrated national economy that resulted became the platform on which the second industrial revolution was built (KC-6.1.I.A). Businesses drew on technological innovations, greater access to natural resources, and a growing labor force to dramatically increase the production of goods (KC-6.1.I.B.i, KC-6.1.I.B.ii). The Bessemer process turned Pennsylvania ore into structural steel that could span rivers and lift skyscrapers ten stories at a time. The transcontinental railroads, completed at Promontory Summit in 1869, knit Atlantic to Pacific freight markets into one continental whole. Andrew Carnegie organized the steel industry around vertical integration; John D. Rockefeller organized the oil industry around horizontal consolidation; and J. P. Morgan organized the financiers who put both engines of growth on a single Wall Street balance sheet. As prices fell and real wages rose, many Americans saw improved standards of living, even as the gap between rich and poor grew wider than at any point in the century (KC-6.1.I.C). Many business leaders pursued higher profits by consolidating corporations into large trusts and holding companies, which further concentrated wealth and produced the late-century turn toward Pacific Rim and Latin American markets that previewed the imperial era (KC-6.1.I.D, KC-6.1.I.E.i). The same engine that built modern America also built modern American inequality (Theme WXT).

The second track is the migration story (KC-6.2). International and internal migration enlarged urban populations and fostered the growth of a new urban culture (KC-6.2.I). Cities became hubs of economic growth marked by new factories and businesses, and they drew immigrants from Asia and from southern and eastern Europe, as well as African American migrants both within and out of the South (KC-6.2.I.A). Roughly twenty million people entered the country between 1880 and 1920, the largest peacetime migration the nation has ever absorbed. Italians, Poles, Russian Jews, Greeks, and Slovaks landed at Ellis Island; Chinese workers landed at Angel Island until the Chinese Exclusion Act of 1882 effectively closed the Pacific gate. Newcomers organized neighborhoods around particular ethnicities, races, and classes, and those neighborhoods opened new cultural opportunities even as they sharpened public debates over assimilation and Americanization (KC-6.2.I.B, KC-6.2.I.C). Larger numbers of migrants moved west in pursuit of land and economic opportunity, often producing competition and violent conflict (KC-6.2.II). The construction of transcontinental railroads, the discovery of mineral resources, and federal land policy promoted economic growth and produced new communities of commercial activity (KC-6.2.II.A). As migrant populations grew and the American bison population was decimated, competition for land and resources among white settlers, American Indians, and Mexican Americans produced rising violent conflict (KC-6.2.II.C). The U.S. government broke treaties with American Indians, met resistance with military force, and eventually confined American Indians to reservations and denied tribal sovereignty (KC-6.2.II.D). Many American Indians preserved their cultures and tribal identities despite government policies promoting assimilation (KC-6.2.II.E). The trans-Mississippi West that had been Indigenous country in 1865 was a federalized commercial zone by 1898 (Theme MIG).

The third track is the political and reform story (KC-6.3). The Gilded Age produced new cultural and intellectual movements, public reform efforts, and political debates over economic and social policy. New cultural and intellectual movements both reinforced and challenged the social order (KC-6.3.I). Social commentators advanced theories later described as Social Darwinism to defend the success of the wealthy and the poverty of the poor as the natural outcome of competition (KC-6.3.I.A). Other Americans, partly inspired by intellectual and cultural movements, called for greater attention to the plight of the working class and to the social problems produced by industrialization (KC-6.3.I.B). Reformers, including those in the settlement house movement at Hull House and Henry Street, worked to ease the problems of urbanization, including poverty, immigration, and inequality (KC-6.3.I.C). Sweeping social changes sparked political debates over citizenship, corruption, and the proper relationship between business and government (KC-6.3.II). Late nineteenth-century political contests centered on currency, tariff policy, and the role of government in regulating big business (KC-6.3.II.A). Long-standing partisan loyalties were challenged by reformers who pushed for civil-service reform and by third parties responding to economic dislocation, the most consequential of which was the Populist movement that rose out of the Granger and Farmers' Alliance organizations and climaxed in William Jennings Bryan's 1896 campaign (KC-6.3.II.B). And in Plessy v. Ferguson, the Supreme Court upheld racial segregation known as Jim Crow, helping mark the end of most of the political gains African Americans had made during Reconstruction even as African American reformers continued to fight for political and social equality (KC-6.3.II.C). The Gilded Age was an age of great wealth and great unsettlement at once.

Two regional stories run in parallel beneath the three Key Concept tracks. In the South, the agriculture based on sharecropping and tenant farming that emerged at the end of Reconstruction remained the primary economic activity, despite the industrialization of certain segments of the regional economy that southern leaders called the New South (KC-6.1.II.D). On the Plains, new systems of production and transportation enabled consolidation in agriculture, and improvements in mechanization helped agricultural production rise substantially while contributing to falling food prices (KC-6.1.III.A). Many farmers responded by forming local and regional cooperative organizations, and farmers and other rural Americans organized politically through the Populist movement to demand reforms in banking, currency, transportation, and political processes (KC-6.1.III.B, KC-6.1.III.C). The South and the Plains share a structural place in the period: both lived inside the industrial system without sharing its winnings.

The labor story runs through every chapter that follows. The industrial workforce grew, and child labor expanded along with it (KC-6.1.II.B.i); the same workforce became more diverse through both internal and international migration (KC-6.1.II.B.ii). Labor and management clashed over wages and working conditions, with workers organizing local and national unions or directly confronting business leaders (KC-6.1.II.C). The Knights of Labor, the American Federation of Labor, and the great strikes of 1877, 1886, 1892, and 1894 turned the question of labor's place inside industrial capitalism into one of the central political problems of the era. A range of perspectives on the economy and labor took shape during a period of financial panics and downturns (KC-6.1.II), and some commentators argued that laissez-faire policies and competition produced economic growth in the long run, opposing government intervention in the economy (KC-6.1.II.A). The Panic of 1873 and the Panic of 1893 punctuated the period and gave reformers their most powerful arguments.

Five themes will recur across the next thirteen lessons. The WXT theme tracks the rise of industrial capitalism and the labor movements that organized in response, and it carries lessons 5, 6, and 7. The MIG theme tracks the western settlement and the immigration waves that followed, and it carries lessons 2, 3, 8, and 9. The NAT theme carries the New South lesson and the long retreat from the Reconstruction promise of equal citizenship. The SOC theme carries the middle-class and reform lessons. And the PCE theme carries the Gilded Age politics lessons on the regulatory state, the Populist insurgency, and the closely balanced two-party system. Topics 6.1 and 6.14 are unit-synthesis lessons rather than thematic lessons; the CED page assigns them no single Thematic Focus, and the canonical map preserves that distinction.

A contextualizing lesson works best when it samples sources that span the period. The three excerpts below mark the demographic, the geographic, and the visual bookends of Period 6.

1. (Continuity and Change) Compare the United States in 1865 with the United States in 1898. Identify two continuities and two significant shifts. Which set is more historically consequential, and on what grounds?
2. (Causation) Trace the causal chain from federal subsidies for railroads and communications after the Civil War to the rise of the late-century industrial trust. At which step in the chain do you think a different policy choice could have produced a different outcome, and why?
3. (Comparison) Compare two of the three regional patterns described in the lesson (the industrializing Northeast and Midwest, the New South, and the trans-Mississippi West). What does the comparison reveal about how industrial capitalism distributed its benefits and its costs across the country?
4. (Continuity and Change) The Gilded Age waves of immigration brought roughly twenty million newcomers to the United States between 1880 and 1920. Identify one way the new arrivals reshaped American cities and one way American politics responded with restriction. Explain how each shift fits into the longer story of American immigration policy.
5. (Causation) Account for the global setting that made Period 6 possible. How did developments in European agriculture, transatlantic shipping, and global capital markets between 1865 and 1898 shape what was possible inside the industrial economy the United States built at home?

Draft alignment — pending educator review. AP USH codes correspond to the official College Board Course and Exam Description (Effective Fall 2023, Version 1). Statements below are paraphrased in the CountryReports voice; refer to the College Board's published CED for verbatim wording.