when did the us become a superpower
At the turn of the 20th century, the United States became a world power. In 1898 and 1899, the United States annexed Hawaii and acquired the Philippines, Puerto Rico, parts of the Samoan islands, and other Pacific islands.t the turn of the 20th century, the United States became a world power. In 1898 and 1899, the United States annexed Hawaii and acquired the Philippines, Puerto Rico, parts of the Samoan islands, and other Pacific islands.