Slave owners turned to cotton production as a way to prosper due to its high demand and so did the demand on slavery.
Answer:
Whites in the North feared competition for their jobs.
It has a racial inequalities that change over time
The Containment Strategy was the principal strategy adopted by the US in foreign policy matters during the Cold War era.
It aimed to stop the expansion of the national enemy: communism, and in turn, of the URSS and the countries under its influence, that were denominated the Eastern Bloc. It consisted on responding to any attempt of expansion performed by the URSS, seeking to spread communism in Eastern Europe, Korea, China Africa, Vietnam, and Latin America.
It took one year and 42 days.