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Scientific Management
1880s-1920s
Muckrakers
1890s-1920s
Australian /secret ballot
1880s-1920s
Square Deal
1901-1909
Pure Food and Drug Act
1906
Meat Inspection Act
1906
Election of 1912
1912
Federal Reserve Act
1913
Clayton Antitrust Act
1914
Federal Trade Commission
1914
Atlanta Compromise
1895
Niagara Movement
1905
Great Migration
1910s-1940s
Seventeenth Amendment
1913
Eighteenth Amendment (Prohibition)
1919
Nineteenth Amendment
1920
Annexation of Hawaii
1898
Spanish-American War
1898
Philippine-American War
1899-1902
Open Door Policy
1899
Panama Canal
1914
Roosevelt Corollary
1904
Dollar Diplomacy
1909-1913
Moral Diplomacy
1912-1921
Lusitania
1915
Zimmerman Telegram
1917
Schenck v. United States
1919
American Expeditionary Force
1917-1918
Treaty of Versailles
1919
First Red Scare
1919
Jazz Age
1920s-1930s
Scopes Trial
1925
Lost Generation
1920s
Harlem Renaissance
1920s-1930s
Emergency Quota Act
1921
National Origins Act
1924
KKK
1920s
Dawes Plan
1924
Wall Street Crash
1929
Bonus March
1932
New Deal Organizations
1933
Social Security Act
1935
Recession of 1937-1938
1937-1938
Dust Bowl
1930s
Fair Labor Standards Act
1938
Pearl Harbor
1941
D-Day
1944
Island Hopping
1943-1945
Hiroshima
1945
Nagasaki
1945
United Nations
1945