What issues apart from slavery led to conflict in the U. S during the mid 1800's

What is the main goal of the world trade organization a. to fight enforce tariffs b. to fight against terrorism c. to encourage trade d. to regulate international investments

2. when a government has total control over its citizens, including the media, it is a of government question 2 options: constitutional monarchy parliamentary democracy autocracy presidential democracy

What was the name of the theory that said that if one country in a region fell to communism, others would surely follow? 1) domino theory 2) arms race 3) brinkmanship 4) containment theory