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  A period of expansion, industrialization, immigration and urbanization with significant effects on
 Native Americans, workers, immigrants, and the rise of big business in the late 19th century.
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  During the early 20th century the U.S. entered a new historical era: an Age of Expansionism
 beyond our natural borders as the country moved from isolationism. U.S. imperialism led to
 involvement in the Spanish-American War, changing policies in Latin America and Asia and
 eventually to World War I. At home, reformers made efforts to correct economic and social
 abuses of the Gilded Age.
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  The amendment has to do with income tax it gives the Congree to tax person income tax
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  providing for the election of two U.S. senators from each state by popular vote and for a term of six years.
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  This was an era in which the global conflict of World War I and its effects had an impact on all
 Americans
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  Banned the sale of alcohol
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  This was also an era of significant prosperity and social change as Americans became more
 isolationist and responded to significant change in social norms, consumerism, technological
 advances and artistic achievement.
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  Beginning with the Stock Market Crash in 1929, this era is marked by severe depression and
 the increasing role of the Federal government to improve the economy.
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  The rise of totalitarian governments in Europe and East Asia led to World War II and
 involvement of the United States in that conflict.
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  This post-war era is marked by issues of communism vs. democracy in Europe and America
 after World War II. It includes the United States and the Soviet Union as competing
 superpowers in the balance of power. The escalation of the Cold War from containment to the
 outbreak of the Korean War and foreign policies of the Kennedy / Johnson years including the
 growing conflict in Vietnam as well as the ending of the Cold War in the 1980s.
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  This era highlights the issues of emerging rights for minorities and the leaders and critical
 events of the modern 20th century civil rights movement.
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  An era of change as the U.S. experienced the end of the Cold War, new conflicts in the Middle
 East, the impeachment of a President and a controversial election to begin a new century.
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  Early in this century America dealt with a new threat of terrorism at home with the attacks on the
 World Trade Center on 9/11 and a decade of the “War Against Terror”. This era also marked the
 election of the first African-American President of the United States in 2008.
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  Established that no state could a citizen the right to vote based on gender