The Spanish American War.
The US took control of Puerto Rico and the Philippines as a result of the Spanish-American War, when the US fought Spain in a short war.
Hawaii.Hawaii was needed as a Navy operating base and coaling station.
The Phillipines, Guam, Puerto Rico and Cuba, the Cubans were quickly given their independence and the Philippines achieved that status after WW2.
Puerto Rico,The Islands of Guam and the Philippines
The US gained Puerto Rico, Guam, and the Philippines. Cuba was nominally independent but under US supervision.
The Philippines, Guam, Puerto Rico and Cuba.
The US claimed Puerto Rico as a result of the Treaty of Paris of 1898 which ended the Spanish-American War. The US also claimed Guam and the Philippines.
The Spanish-American War was mainly fought for Cuban independence. The Americans fought with the Puerto Ricans, Cubans, and Filipinos against the Spanish. The American side won and then the US acquired three Spanish territories: the Philippines, Guam, and Puerto Rico. The US also acquired Cuba although this was not a transfer from the Spanish.
The Philippines, Guam, Puerto Rico and Cuba.
The Spanish American War resulted in the US getting control of Puerto Rico and the Philippines. The Philipine independence was recognized in 1946. Puerto Rico remains a Commonwealth of the United States.
As a result of the Spanish-American War Spain lost its colonies of Cuba and Puerto Rico.
American Imperialism.