Some Americans opposed the annexation of the Philippines following the Spanish-American War because they felt that it was not humane. Opponents of annexation formed the American Anti-Imperialist League in 1898.
So I would say it's Option B
They were having conflicts that they couldn't solve and it eventually lead to the Civil War. Hope this helps
Not really sure what your masking really?
The long march was a tactic of retreat into the mountains so that they could survive because they were facing elimination.
