In 1879, when the people reached new Mexico, people sropped using the santa fe trail.
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Steam boats would fall apart if it hit a rock or snag
The Treaty of Versailles stated (to name a few) that Germany had to have a small army/navy/air force and couldn't try to expand their empire by taking over other countries, Hitler did this anyway, sparking WW2.
Answer:
He organized a number of marches and protests and was a key figure in the U.S. civil rights movement.
Explanation:
He was instrumental in the Memphis sanitation workers' strike, the Montgomery bus boycott, and the March on Washington. His advocacy of peaceful protest has permeated into contemporary social justice movements.
They played a big role in the rise