Americans were unhappy with president clinton prior to the midterm elections of 1994 because

He was involved in several White House scandals.

Explanation:

Both political and personal scandals troubled the Clinton administration during his first term. There were charges about the Clintons illegally benefiting from their participation in a failed savings and loan. The Clinton administration was linked to the cover-up of the Whitewater case and Vincent Foster killing himself. Furthermore, there were accusations of questionable commodity negotiations by Hillary Clinton and the sex scandal of Bill Clinton in Arkansas.

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.

sorry i really dont know