South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. It can also be described as a southern subcontinent of the Americas.

The United States of America (USA), commonly known as the United States (U.S. or US) or America, is a country located primarily in North America, consisting of 50 states, a federal district, five major self-governing territories, and various possessions. At 3.8 million square miles (9.8 million square kilometers), it is the world's third- or fourth-largest country by total area.