To prevent further terrorist acts, the u. s. felt it was necessary to
a. end the taliban regime in afghanistan.
b. eliminate muslims from the u. s.
c. withdraw u. s. support of israel.
d. support the rebel taliban fighters in afghanistan.

The answer is a. end the Taliban regime in Afghanistan. President George W. Bush sent U.S. troops to Afghanistan to end the rule of the Taliban and to root out Al Quieda terrorist from the region.  U.S. troops are still in the country fighting them to this day.

what terms are there?

answer; did not understand that the act was wrong because she/he was suffering from a mental illness;