What was the main reason that the anti-imperialist league opposed the war between us troops and philippine rebels?

The Anti-Imperialist League (established in 1898) was an American organization that opposed the annexation of the Philippines. The Anti-imperialist League believed that imperialism was both immoral and undemocratic. They argued that the practice was opposed to American law because democracy, and republican government, requires the "consent of the governed," which is necessarily absent in this case. This is a fundamental value of the American government, along with the ideal of self-government. The League was ultimately incapable of stopping the expansion.

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

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