Answer:
A
Explanation:
Eli Whitney was the person most responsible for initiating the use of interchangeable parts in manufacturing, and he first invented a machine that separated the cotton seed from the cotton fiber. He also used those parts that can be substituted ( interchangeable parts ) for the production of weapons, at a low price, with unskilled workers, which reduced greatly the prices to repair and replace parts.
Answer: He wanted to prevent the advance of Communism.
Truman reacted so strongly when North Korea attacked South Korea because he wanted to prevent the advance of Communism.
I think 19 but slave states were 15
I’m not sure hopefully it’s correct
Most soldiers started to use gas bombs
