The usa was the first to land on the moon on july 20,1969. the soviets were the first to do all of the following , except what in space?

a. first satellite in space

b. first dog in space

c. first human in space

d. first man on an asteroid

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.