Answer:
Beginning with the invasion of Poland during World War II, the Nazi regime set up ghettos across German-occupied Eastern Europe in order to segregate and destroy jews
Explanation:
The compromise of 1850 contradicted the Missouri Compromise of 1820 by creating a free state south of 36°30'N. According to the Missouri Compromise, Missouri would enter as a slave state, Maine would join as a free state, and slavery would be prohibited in any new state north of Missouri's southern border, 36°30'N latitude
Not sure if this is the answer your looking for but one could be They reacted to it harshly, and were suspicious of all immigrants that came to American from a communist country