True. Many voices rose up against US imperialism during the Progressive era, and the Anti-Imperialist League was founded in response to the government’s planned annexation of the Philippines. Prominent members, such as author Mark Twain, believed that imperialism violated the US principles of non-intervention and independence.
The Progressive Era refers to a reformist period of American history between the 1890s and 1910s. Extensive reforms in politics and society were carried out.
One of these progressive agenda was the opposition to US imperialism. A prominent voice was the American Anti-Imperialist League set up in 1898 to protest against US annexation of the Philippines. They argued that imperialism was an affront to the principle of government based on the ‘consent of the governed’
To learn more about the American Anti-Imperialist League: brainly.com/question/10826344
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