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Henry Ford's introduction of the assembly line helped the perfection of mass production. The technique consisted of two basic elements: a conveyor system and the limitation of each worker to a single repetitive task. -
The Harlem Renaissance began due to the Great Migration of African Americans to Northern cities, the concentration of creative and ambitious people in places like Harlem, and new job opportunities created by World War I
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The Palmer Raids were a series of government-led raids in 1919 and 1920, spearheaded by Attorney General A. Mitchell Palmer, targeting suspected radicals, anarchists, and communists. -
The two Italians were convicted of murder and robbery. They were executed. The crime was that a guard and a paymaster were killed during a payroll delivery for the Slater and Merrill Shoe Company. Critics said that the conviction was unfair because of the judge's bias against immigrants. -
The scandal of the early 1920s surrounding the secret leasing of federal oil reserves by the Secretary of the Interior, Albert Bacon Fall. -
Charles Lindbergh made history when he flew non-stop solo across the Atlantic on May 20-21, 1927 in The Spirit of St. Louis. It had never been done before.
Lindbergh, just 25 years old, became an international celebrity. His flight, and his work afterwards, would shape the fate of aviation. -
The treaty, also known as the Pact of Paris, renounced war as an instrument of national policy and committed the signatories to settling disputes peacefully. It was a multilateral agreement initiated by U.S. Secretary of State Frank B. Kellogg and French Foreign Minister Aristide Briand. -
This event, characterized by widespread panic and record-breaking trading volume on the New York Stock Exchange, is widely recognized as the pivotal event that triggered the onset of the Great Depression in the United States and worldwide.