Europeans couldn't travel into the interior of Africa in order to take it over because of the African-ruled trade, couldn't navigate violent rivers, or overpower their strong armies. Disease also held them back.
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A the first one is the answer
A. hippies hopes this helps
Answer: Salvador B. Castro (October 25, 1933 – April 15, 2013) was a Mexican-American educator and activist. He was most well known for his role in the 1968 East Los Angeles high school walkouts, a series of protests against unequal conditions in Los Angeles Unified School District (LAUSD) schools.
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Answer:
A. They fought in segregated units in the armed forces.