Answer:
I believe the answer is c, It weakened confidence that the US could win the war.
White expansion. War between Indians and the whites was very common because the whites seemingly had quite an appetite for the Indian land. Indians struggle to contain this aggressive expansion led to war with hope to reduce American settlement and expansion.
It was important because segregation and discrimination had reached a point were it was no longer tolerable To state that African Americans should join the war because a win would be a double victory over racism abroad and at home.
