1. held that a state could declare a law null and void if that law was harmful to the state. doctrine of nullification ordinance of nullification 2. stated that the tariffs of 1828 and 1832 were unconstitutional and, therefore, were not enforceable in the state of south carolina. doctrine of nullification ordinance of nullification !

T'was the Doctrine of Nullification it was.

Explanation:

a.   it resulted in widespread unemployment.

answer

the statement that best describes president carter’s attempt to free the hostages in iran is c. all of the attempts failed.

explanation

the operation eagle claw conducted by the united states armed forces was a failed mission which aimed to rescue 52 americans captured as hostages in the american embassy, tehran on 24/4/1980.the mission was authorized by president jimmy carter. the failures included;   obstacles in operation that included operational conditions challenges caused by sandstorms, hydraulic problems of one the helicopters and , mechanical failure of another helicopter that was identified as a cracked rotor blade and the crashing of another helicopter during mission abortion causing death of 8 service persons.