Answer:
By 1540, most of Central America was colonized by the Spanish under the name Captaincy General of Guatemala. On September 16th, 1810, Mexico declared its independence from Spain, attaining it in 1821. On September 15th, 1821, the Captaincy General was dissolved and Spanish rule was overthrown.
Explanation:
Brainliest
There were a couple of reasons for this. First, the Americans were an invading force, and the Vietnamese were fighting on their own soil. Second, the Americans were not willing to make an all-out commitment to win.
It was a vastly richer larger and more powerful than it had been one hundred years before
Transcontinental railroad and the bessemer process
Consumer and society have messed up the whole