Answer:
A. They hoped to preserve the rights of their individual states
Explanation:
U.S production plummeted
U.S inventors didn't have enough money to invent
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She made an impact because in this point in history there was a lot of segregation on buses and to stand up to a white man is a huge deal. Even though she got sent to jail she made it possible for others to stand up to segregation and to stand up for free rights.