United States of America
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.[fn 6] At 3.8 million square miles (9.8 million km2), the United States is the world’s third- or fourth-largest country by total area[fn 7] and just fractionally smaller than the entire continent of Europe’s 3.9 million square…