The Soviets were setting up nuclear missiles in Cuba. This meant that they were now able in theory to launch a nuclear missile directly at large parts of the USA and it was therefore viewed as a threat by the USA. I hope that helps.
<span>Such bonds are called
"agency bonds".
</span>
U.S. Treasury
and municipal
bonds are those which are guaranteed as opposed to the agency bonds
which are issued by a government agency. Some examples of such
agencies are like Fannie Mae, Freddie Mac, Sallie Mae and the Federal Home Loan Banks.<span>
</span>
