What arguments did the anti imperialist league offer against the annexation of any new territories?

The anti-imperialist argued that:

- imperialism is immoral because we diminish other cultures and forcing them to follow ours.

- The process of annexation would cost a huge amount of money that would cripple our own economy.

- The mentality of defeat and conquer could affect how citizens think and imposed the same principle to other citizens of united states, which would create a division in the country,