Why were people in the north so concerned with the ruling?
a. they feared more runaway slaves would move to the north.

b. they were concerned that increasing slavery in the west would drive down prices.

c. they feared that antislavery laws would be abolished everywhere.

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.