Which foreign policy problem contributed to Jimmy Carter's defeat in the 1980 election?

returning the Canal Zone to Panama

the Iran hostage crisis

signing the Camp David Accords

the collapse of the Soviet Union

The correct answer for the question that is being presented above is this one: "the Iran hostage crisis." The consequences of Iran's holding Americans captive, together with continuing inflation at home, contributed to Carter's defeat - it contributed a lot to his defeat.