The United States of America, commonly known as the USA, is a country located in North America. It is composed of 50 states, a federal district, five major self-governing territories, and various possessions.
Related terms
Manifest Destiny: This term refers to the belief that it was the destiny of the United States to expand its territory from coast to coast.
Industrialization: The process of developing industries on a large scale in order to modernize and improve economic productivity.
Westward Expansion: The movement of settlers and pioneers from eastern states towards the western frontier during the 19th century.