The nation was experiencing many issues as Eisenhower’s term was coming to an end. These were a recession, Soviet’s launch of Sputnik, the U-2 Incident, Soviet’s long range missile, and what other issue?

Cuba

Explanation:

The coming to power of Castro in Cuba in 1959 was seen by the Americans as a major threat to their interests right on their borders.

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.