However , in the Philippines revolutionary forces under Emilio Aguinaldo had ousted the Spanish colonial government , declared independence and established the First Philippine Republic .
After the war the United States annexed the Spanish colonies of Guam , Puerto Rico and the Philippines .
In the Philippines revolutionary forces under Emilio Aguinaldo had ousted the Spanish colonial government , declared independence and established the First Philippine Republic .
After the war the United States annexed the Spanish colonies of Guam , Puerto Rico and the Philippines .