Answer:
The racist attacks in 1919 were widespread, and often indiscriminate, but in many places, they were initiated by white servicemen and centered upon the 380,000 black veterans who had just returned from the war. “Because of their military service, black veterans were seen as a particular threat to Jim Crow and racial subordination,” notes a report by the Equal Justice Initiative
Explanation: I hope I helped :)
100,000 years ago during the final part of the last Ice Age, sea levels dropped revealing land corridors that the Native Americans traveled on to get to North America. (land corridors)
Not so sure im really trying to remember :(
It would be the "Necessary and Proper Clause" that establishes many implied powers of Congress, since this allows Congress to do whatever is "necessary and proper" to keep the United States functioning.