Answer:
USA did make many bombing campaigns against North Vietnam, which only alienated the population but could not degrade the fighting force of the Vietcong. ... Support of China /USSR: One of the most crucial reasons for the defeat of the USA was the unflinching support of China and the Soviet Union to the North Vietnam.
The country of France was in severe debt after helping to finance the American Revolution. Also, food shortages, especially bread, led to inflation of prices in the years just before the French Revolution broke out. (See image: Courtesy of weebly.com)
At-ha English shah . Eyebrows she’s areas
The last option would be the best answer I think.