1.How were African Americans treated after the Civil War? Include Jim Crow Laws, Sharecropping and Plessy vs. Ferguson. 2Explain why Brown vs. the Board of Education was important.
3Describe the early Civil Rights Movement, including the Little Rock 9, Sit-ins and the Freedom Riders
4 Discuss the importance of Rev. Martin Luther King Jr. and Malcolm X to the Civil Rights Movement.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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some american cities felt workers were being oppressed by business monopolies

mickey : )

explanation:

why not?

i believe out of the choices it is a.