Answer:
As soon as Hitler assumed power in 1933, Americans had access to information about Nazi Germany's persecution of Jews and other groups. Examples of useful primary sources for learning about the Holocaust include diaries, letters, concentration camp records, or other documents created by victims, etc. Although the quota walls seemed unassailable, some Americans took steps to alleviate the suffering of German Jews.
Explanation:
Upton Sinclair, Frank Norris and Ida Tarbell made their greatest contributions to the Progressive movement by (4) publishing books and articles to expose the problems of society. Upton Sinclair wrote a book which showed the dangerous and unsanitary lives workers of the Meatpacking District went through on a daily basis, Frank Norris exposed the struggle railroad workers go through with their bosses and the unfairness of the railroad workers life in California and Ida Tarbell wrote about the manipulative men behind the oil trade.
Why did the Vietnam War start? The United States had provided funding, armaments, and training to South Vietnam's government and military since Vietnam's partition into the communist North and the democratic South in 1954. Tensions escalated into armed conflict between the two sides, and in 1961 U.S. President John F.