Farming remained the the main economic activity. It moved west with settlement. Inventions, such as cotton gin, encouraged planters to grow even more crops.
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I’m not sure about this question
Answer:
Explanation:
1775 - The Revolutionary War begins with the Battle of Lexington and ... 1804 - Explorers Lewis and Clark set out on their journey to the Pacific Ocean. ... 1865 - The American Civil War comes to an end with General Robert E. Lee ... The U.S. joins World War II on the side of the Allies. ... 1950 - The Korean War begins.
B was the answer my teacher gave me
<span>The initial response by the united states was to protest communist expansion.</span>