USA HISTORY

Detailed explanation-1: -U.S. imperialism took a variety of forms in the early 20th century, ranging from colonies in Puerto Rico and the Philippines to protectorates in Cuba, Panama, and other countries in Latin America, and open door policies such as that in China.

Detailed explanation-2: -The United States acquired a bunch of territories-Philippines, Cuba, Puerto Rico. How much of this military action was sold as saving the people in these colonies from Spanish oppression and how much because we just wanted to have overseas possessions?

Detailed explanation-3: -Alongside American efforts to manage formal colonies in Puerto Rico and the Philippines, the United States also engaged in what historians call “informal” imperialism, or control over foreign territory that stopped short of establishing a complete colonial government.

Detailed explanation-4: -Between the 15th century and the middle of the 18th, England, France, the Netherlands, Portugal, and Spain built empires in the Americas, India, and the East Indies. Russia, Italy, Germany, the United States, and Japan became imperial powers in the period from the middle of the 19th century to World War I.