Why did the anti-imperialism argue the u. s

The anti-imperialists opposed the expansion because they believed imperialism violated the credo of republicanism, especially the need for "consent of the governed".

Explanation:

The Anti-Imperialist League was founded on June 15, 1898, in Boston in opposition of the acquisition of the Philippines, which happened anyway. The anti-imperialists opposed the expansion because they believed imperialism violated the credo of republicanism, especially the need for "consent of the governed".

the main objectives of the progressive movement were eliminating problems caused by industrialization, urbanization, immigration, and political corruption.