Why did the D-Day invasion take place

In the early 1900s, the national association for the advancement of colored people strongly urged the federal government to a) punish lynch mobs. b) overturn jim crow laws. c) limit integration. d) limit activist organizations.

President eisenhowers foreign policy stressed peace, threatened massive retaliation for attacks and what

What was the most explosive issue facing the united states prior to the start of the civil war?