In what matter do you mean this ?
The McCarthy Era was one of great paranoia in the UN regarding Communism and its spread. Thousands of false accusations were made and people were detained for no reason.
21. The Tet Offensive was a strategic blow for the U.S because it showed the communists did not lose the will to fight. Therefore the answer is B. The offensive was a surprise attack and was large in numbers.
For 22. Presidents Truman, Eisenhower, Kennedy, Johnson and Nixon oversaw the conflict. Therefore the answer is C. Dwight E. Eisenhower was never a president.
It was primarily "<span>d. the vulnerability to invaders from the north", since the Mongol territory was rapidly expanding--making the Mongol warriors all the more powerful. </span>