This amendment to the Constitution officially abolished slavery in the United States.
What is the 13th Amendment?
This belief suggested that it was the God-given right of the United States to expand from the Atlantic to the Pacific.
What is Manifest Destiny?
This processing center in New York Harbor was the entry point for millions of European immigrants between 1892 and 1954.
What is Ellis Island?
This type of warfare, common on the Western Front, led to a "stalemate" where neither side could gain much ground.
What is Trench Warfare?
Laws passed in Southern states immediately after the Civil War to restrict the rights and movements of African Americans.
What are Black Codes?
This 1849 event in California led to a massive population boom and the eventual push for a transcontinental railroad.
What is the Gold Rush?
This business practice involves buying out all competitors in a specific industry to eliminate competition.
What is a Monopoly?
The sinking of this U.S. battleship in Havana Harbor served as the "spark" that started the Spanish-American War.
What is the USS Maine?
This amendment granted citizenship to "all persons born or naturalized in the United States" and guaranteed equal protection.
What is the 14th Amendment?
This animal was the primary source of food, clothing, and shelter for Plains Indians; its near-extinction devastated their way of life.
What is the Buffalo (or Bison)?
He founded Standard Oil and became the richest man in modern history by using "trusts" to control the oil industry.
Who is John D. Rockefeller?
This British ocean liner was sunk by a German U-boat in 1915, killing 128 Americans and shifting public opinion.
What is the Lusitania?
This white supremacist group used violence and intimidation to prevent African Americans from exercising their new rights.
Ku Klux Klan (KKK)
This flagship boarding school in Pennsylvania used the motto "Kill the Indian, Save the Man" to force assimilation.
What is the Carlisle Indian Industrial School?
This reformer's book How the Other Half Lives used photography to show the terrible conditions of New York City tenements.
Who is Jacob Riis?
This intercepted message from Germany to Mexico proposed an alliance against the U.S. in exchange for lost territory.
What is the Zimmermann Telegram?
A system where a farmer tends a portion of a planter's land in return for a share of the crop; it often led to a cycle of debt.
What is Sharecropping?
Led by Sitting Bull and Crazy Horse, this 1876 battle was a major victory for the Lakota Sioux against General Custer.
What is the Battle of Little Bighorn?
Writers and journalists who exposed the "muck" or corruption of society and big business during this era.
Who are Muckrakers?
Sensationalized, often exaggerated news reporting used to influence public opinion and sell newspapers.
What is Yellow Journalism?