Why weren't post-WWI national boundaries drawn along ethnic boundaries in eastern Europe?

a. To create buffer between Western Europe and Russia

b. The many ethnic minorities wanted to be joined together to create a new nationality

c. Drawing boundaries along ethnic lines would be too difficult

d. Russia held too much ethnic territory to destroy

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.

answer: a tolerated diverse population

explanation: the city of baghdad formed to vast semi- circles on the right and left banks of the tigris twelve miles in a diameter.

protect u.s. businesses from competition