Explanation:
The Cold War was a period of geopolitical tension between the Soviet Union and the United States and their respective allies, the Eastern Bloc and the Western Bloc, after World War II. The period is generally considered to span the 1947 Truman Doctrine to the 1991 dissolution of the Soviet Union.
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Court ruled that Congress couldn't ban slavery... seeds of the Civil war were planted. His owner died, so he wanted his freedom...
Answer:
Immigrants were not willing or able to work in factory environments
