Question

How did the Spanish-American War lead to the Filipinos rebelling against the United States?

Answer 1

Losses of Spain resulted in transfer of Philippine holdings to the USA, who then were the "imperialists" to throw out..

Explanation:

The Spanish-American War led to weaknesses in the Spanish control and the loss of their long-standing (350years!) rule in the Philippines. The shooting of a Filipino guerilla by American soldiers precipitated the act revolution against US control.
https://www.historytoday.com/richard-cavendish/filipino-insurrection-against-us