Answer :
The following led to the development of the Anti-Imperialist League is US involvement in the Spanish-American War and annexation of the Philippines. (A)
What is anti-imperialist?
Anti-imperialist is expressing opposition.
What is league?
League is a collection of people, countries, or groups that combine for a particular purpose, typically mutual protection or cooperation.
What is annexation?
Annexation is the action of annexing something, especially territory.
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