In 1867, the United States purchased from Russia for
$7.2 million. At the time, people thought the purchase was
foolish, but in 1880 was discovered in the new territory.
also became a United States territory in 1898 after
American planters revolted and overthrew the queen. Both
Alaska and Hawaii became states in 1959.
War with Spain
When the battleship was destroyed, the United
States declared war on Spain in April 1898. Admiral George
Dewey led the American fleet to attack the Spanish colony of
the Philippines. formed a group called the
Rough Riders and went to battle in Cuba. In August 1898, the
ended. A peace treaty gave Cuba its
independence, and the United States possession of , Guam, and the Philippines. In 1946, the Philippines
became . Today, Guam and Puerto Rico are still
part of the United States.