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Answer:
a. Imperialists argued that stronger countries should naturally dominate weaker countries.
Explanation:
Social Darwinism was the belief that certain people became powerful in society merely because they are naturally superior. Many imperialists believed that it was their duty to "purify" the inferior population.
The correct answer is: "Truman ended segregation in the armed forces by executive order."
Executive Order 9981 was enacted in 1948 by President Truman and it abolished discriminative practices in terms of race, color, religion or national origin in the US Armed Forces and ensured equality of treatment and opportunities to everybody. Therefore, this ruling ended the segregation procedures within the military service.
Farmers are the group that experienced falling incomes, credit crisis and a poor standard of living in the years before the Great Depression Began