The effect is the protection of people coming in and out. People didn't want to cross mountains, and people didn't want to cross deserts
Answer:
I think its the third one or the first
Explanation:
d. Segregation in the South was determined to be legal
Answer:
An important factor of the Agricultural Revolution was the invention of new tools and advancement of old ones, including the plough, seed drill, and threshing machine, to improve the efficiency of agricultural operations. The mechanization and rationalization of agriculture was a key factor of the Agricultural Revolution.
Explanation:
<em>Hope this helps :)</em>
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