Which statements correctly identify a condition that must exist for a culture to be considered a civilization?

choose all answers that are correct.

people have developed a systematic approach to religion.

people are ruled by a monarchy or oligarchy.

people have begun to build cities.

people have learned to farm and grow a surplus of food.

people divide up necessary labor.

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.