100 points for grade please help

What does munich’s refer to in the 13 days?

What was one major cause of worldwide conflict during the first decade of the 21st century?

How did the united states respond when north vietnam attacked a us warship and sent troops to south vietnam in the early 1960s? a.the united states declined to assist south vietnam against the north. b.us leaders authorized south vietnam to invade north vietnam. c.the president did not sign the gulf of tonkin resolution. d.congress authorized the president to escalate the conflict.