<span>The Theory of the Four Humours was an important development in medical knowledge which originated in the works of Aristotle. The Greeks believed that the body was made up of four main components or Four Humours. These Four Humours needed to remain balanced in order for people to remain healthy. </span>
Answer/Explanation
A: frican Americans who were freed by the Emancipation Proclamation and needed help after the Civil War.
Answer:
B
Explanation:
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America's involvement in World War II had a significant impact on the economy and workforce of the United States. The United States was still recovering from the impact of the Great Depression and the unemployment rate was hovering around 25%. Our involvement in the war soon changed that rate.
