Answer:
O <em>Conditions in the south after reconstruction led many African Americans to migrate</em>.
Explanation:
Fits best with the story.
" Unsafe at any Speed " : The Designed-In Dangers of the American Automobile....written by Ralph Nader in 1965
ur answer is : Automobiles
<span>They marched on on Washington D.C. because many of the protesters were WW1 veteran that were promised to be paid for fighting in the war. The government did not pay them and said that they postponed the payment, this was during the Great Depression and therefor the veterans were in great need of the money.
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