Eisenhower believed that if one southeast asian nation fell to communism, others would follow. what was this belief?

a. the containment theory
b. the vietnam syndrome
c. the domino theory
d. massive retaliation

It was a combination of conquests and alliances

The tenure of kings and magistrates

Jackson  said nullification 'means insurrection and war,' and called it a treasonous attack on america. the second aspect of the  force bill  was the passing in congress of a lower tariff in 1833. this was offered as a compromise to avoid conflict with south carolina, and to attempt to defuse the tense situation.source google