What does the double v campaign reveal about the role of minorities on the home front?

a.) minority groups refused to serve in the military
b.) minority groups were still struggling to end discrimination
c.) minority organizations became increasingly powerful in politics
d.) minorities organized massive labor strikes to protest the war efforts

B, Minority groups were still struggling to end discrimination.

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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the answer to your question is

the treaty of hopewell