Period 6: Glossary (College Board AP® US History): Revision Note

Tonekia Phairr

Written by: Tonekia Phairr

Reviewed by: Bridgette Barrett

Updated on

Themes in Period 1

  • Geography and environment (GEO)

  • American and Regional Culture (ARC)

  • Work, Exchange and Technology (WXT)

  • Social Structures (SOC)

  • Migration and settlement (MIG)

  • American and National Identity (NAT)

Contextualizing Period 6

Industrial growth – The U.S. changed rapidly after the Civil War through the growth of business and technology

Gilded Age – This era featured both major wealth and major inequality

Westward Expansion: Economic Development

Transcontinental railroad – The railroad connected regions and sped up settlement and trade

Cattle frontier – Ranching became an important Western industry

Westward Expansion: Social and Cultural Development

Homestead Act – Encouraged western migration by offering land to settlers

Reservation system – The federal government confined many Indigenous (Native) peoples to specific lands

Assimilation – Officials pushed Indigenous (Native) Americans to adopt white American culture

Dawes Act – Broke tribal lands into individual allotments

Populism – A push for government changes to improve economic conditions

The “New South”

New South – Southern leaders promoted industry, though agriculture still dominated

Tenant farming – Laborers rented land and worked for the owner in exchange for a portion of the harvest. Many poor farmers remained dependent and in debt

Technological Innovation

Bessemer process – Made steel production faster and cheaper

Telephone – Improved communication across distances and created stronger connections between regions and communities

Electricity – Changed business, work, and daily life

The Rise of Industrial Capitalism

Corporation – Businesses used a corporate organization to grow larger

Monopoly – One company controlled much of an industry, supply or service

Trust – A business arrangement that reduced competition

Laissez-faire – Many people argued that the government should interfere less in the economy

Robber barons/Captains of industry – Business leaders were viewed as either exploiters or builders

Labor in the Gilded Age

Labor union – Workers organized for better pay, hours, and conditions

Knights of Labor – One of the early large labor organizations

American Federation of Labor (AFL) – Focused on skilled workers and practical gains such as higher wages and safer working conditions

Strike – Workers stopped labor to demand changes

Haymarket – Labor protest associated with violence which led to an anti-union backlash

Pullman Strike – Showed government support for business over labor

Immigration and Migration in the Gilded Age

New immigrants – Many people migrated to the U.S from southern and eastern Europe

Urban migration – People moved to cities for jobs and opportunities

Ethnic neighborhoods – Immigrants built communities that preserved culture and support

Responses to Immigration in the Gilded Age

Nativism – Hostility toward immigrants increased

Chinese Exclusion Act – Federal law that restricted immigration from China

Americanization – Some reformers wanted immigrants to adopt mainstream U.S. culture

Development of the Middle Class

Middle class – Clerical, managerial, and professional jobs expanded, creating a growing middle class

Consumer culture – Department stores and advertising encouraged new spending habits

Reform in the Gilded Age

Settlement houses – Reformers offered services to urban immigrants and the poor

Social Gospel – Religious movement that pushed Christians to address social problems

Controversies over the Role of Government in the Gilded Age

Regulation debate – Americans argued about whether the government should regulate business

Interstate Commerce Act – Early attempt to regulate railroads and their prices

Sherman Antitrust Act – Law aimed at limiting monopolies

Politics in the Gilded Age

Political machines – Urban political organizations which controlled local governments. They traded services for votes

Patronage – Government jobs were often handed out for political support

Civil service reform – Reformers pushed for merit-based government jobs

Plessy v. Ferguson – The Supreme Court upheld segregation under ‘separate but equal.’

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Tonekia Phairr

Author: Tonekia Phairr

Expertise: History Content Creator

Tonekia is an experienced education professional with over two decades of work in teaching, curriculum development, and educator training. She holds a Doctorate in Education (Ed.D), along with Master’s degrees in Business Administration and Public Administration, reflecting a strong interdisciplinary academic foundation. Throughout her career, she has served as an AP US History workshop consultant for more than 15 years, supporting teachers through collaborative training and innovative instructional strategies. With over a decade of classroom experience, she has also developed effective revision and learning content tailored to diverse student needs.

Bridgette Barrett

Reviewer: Bridgette Barrett

Expertise: Geography, History, Religious Studies & Environmental Studies Subject Lead

After graduating with a degree in Geography, Bridgette completed a PGCE over 30 years ago. She later gained an MA Learning, Technology and Education from the University of Nottingham focussing on online learning. At a time when the study of geography has never been more important, Bridgette is passionate about creating content which supports students in achieving their potential in geography and builds their confidence.