The correct answer is B) Iran hostage crisis, D) Soviet invasion of Afghanistan, and the end of detente.
<em>The three serious problems that Jimmy Carter faced during his term of office were Iran hostage crisis, Soviet invasion of Afghanistan, and the end of detente.</em>
On January 2, 1980, President Jimmy Carter told the Senate to end any action regarding SALT II agreements with Russia. The reason, the Soviet Union invasion of Afghanistan in December 1979. With these decisions, President Carter ended the Detente age of friendly diplomatic relationships with the USSR established by Richard Nixon. The other difficult conflict for President Carter was the Iran hostage crisis that began on November 4, 1979, when Iranian students occupied the US embassy in Tehran. Sixty American citizens were taken as hostages.
Little Rock: A black girl was blocked from entering the Little Rock high school and Eisenhower made statetroopers help her get into school.
B vs T: a black girl had to walk to school 20 blocks each day and her father filed a case against the area for that. NAACP victory with 'separate but equal' declared unconstitutional
<span>The invention of tools and mastery of fire led to the development of "advanced civilizations," since this allowed for early humans to gain far more food sources and intake more calories. </span>
They were interested in reading, and wanted to learn, regardless the rules.
I hope this helps! :)