Why did gold-salt traders favor the involvement of the ghanaians in their trade?

3. according to oliver, how can the fast food industry with the food revolution? i will give brainliest

What is the main idea of this excerpt

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.