B, because when Japan attacked China, China unified to fight a common enemy.
Freed slaves who wanted land available under the homestead act still faced the challenge of intense racism and segregation--meaning that they faced persecution and violence from whites who were in competition over the land.
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Answer:
A- rosa parks spent several months in jail after refusing to give up her seat
I know that it was cheap land so it would be A or D to my best judgement. Are you good at math?