South Carolina wanted to keep their slaves and with Lincoln winning the election they felt their rights to have slaves were threatened so they seceded causing the civil war.
Increase its exports and decrease imports
Mexican Cession. Mexican Cession lands were captured in the Mexican–American War in 1846–48, and ceded by Mexico in the Treaty of Guadalupe Hidalgo, where Mexico agreed to the present Mexico–United States border except for the later Gadsden Purchase.
Answer: Because Communism (Soviet union) And capitalism are almost complete opposites of each other and their ideology clash with each other
The major concern of scientists who left Nazi Germany for the states before ww2 was that a new Nazi would heavily persecute the Jews ,many of whom held positions in the realm of science