Answer: B
It demonstrates that disputes over slavery consistently caused regional friction during the 18th and 19th centuries.
Explanation: Ap*x
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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.
