City-State:
a city that with its surrounding territory forms an independent state
Kingdom:
a country, state, or territory ruled by a king or queen.
a realm associated with or regarded as being under the control of a particular person or thing.
Empire:
an extensive group of states or countries under a single supreme authority, formerly especially an emperor or empress.
Village: a small town without king or queen.
The War Powers Resolution (also known as the War Powers Resolution of 1973 or the War Powers Act) (50 U.S.C. 1541–1548) is a federal law intended to check the president's power to commit the United States to an armed conflict without the consent of the U.S. Congress.
The transport of slaves from Africa to America was known as the Middle Passage.
Explanation:
Athough initially disregarded by the great powers of Europe, the Monroe Doctrine became a mainstay of U.S. foreign policy . In 1823 U.S. President James monroe proclaimed the U.S. protector of the western Hemispere by forbidding European powers from colonizing additional territories in the Americas.