Why was the Interchangeable parts important and easy invention?​

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.

the answer is a. hope this

living during the great depression had a major affect on the mentality many people. a good portion of people who lived during that time do not trust banks. this is likely the result of the many widespread bank failures in the 30s that caused people to lose their life savings.