Britain and France, standing by their guarantee of Poland's<span>border, had declared war on Germany on September 3, 1939.</span>
The Americanization movement was a nationwide organized effort in the 1910s to bring millions of recent immigrants into the American cultural system.
Answer:
The history of civil rights in the twentieth-century United States is inseparable from the history of the Great Migration. From the end of World War I through the 1970s, extraordinary numbers of African Americans chose to leave the South with its pervasive system of legalized racism and move to cities in the North and West. While we often associate the Great Migration with the decades around the two World Wars, historians have recently established that many more people moved away from the South after 1940 than before. Between 1940 and 1980, five million African Americans moved to the urban North and West, more than twice the number associated with the first wave of migration from 1915 to 1940.
Explanation:
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The United States might have been officially neutral, but they made their support for the Allies very clear.
The US loaned weapons and other materials to Britain using FDR's proposed cash-and-carry policy.
