Hace 22 horas · The United States of America ( U.S.A. or USA ), commonly known as the United States ( U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territories, nine Minor Outlying Islands, [h] and 326 Indian reservations.
Hace 1 día · The United States of America consists of 50 states, 5 territories, and 1 district (Washington D.C.). States can make laws about things inside the state, but federal law is about things dealing with more than one state or dealing with other countries.
- Federal presidential constitutional republic
- No official language at federal level
Hace 2 días · The history of the lands that became the United States began with the arrival of the first people in the Americas around 15,000 BC. Numerous indigenous cultures formed, and many saw transformations in the 16th century away from more densely populated lifestyles and towards reorganized polities elsewhere.
Hace 22 horas · Since the Americas extend 14,000 km (8,700 mi) from north to south, the climate and ecology vary widely, from the arctic tundra of Northern Canada, Greenland, and Alaska, to the tropical rain forests in Central America and South America. Humans first settled the Americas from Asia between 42,000 and 17,000 years ago.
- 42,549,000 km², (16,428,000 sq mi)
- 22.67/km² (58.74/sq mi)
- 1.02 billion
- 35
Hace 1 día · Legacy. United States portal. v. t. e. The Constitution of the United States is the supreme law of the United States of America. [3] It superseded the Articles of Confederation, the nation's first constitution, in 1789. Originally comprising seven articles, it delineates the national frame and constraints of government.
- September 17, 1787
- June 21, 1788
- March 4, 1789, (233 years ago)
- United States of America
Hace 22 horas · The war remains the deadliest conflict in U.S. history, resulting in the deaths of 620,000 men on both sides. Based on 1860 census figures, 8% of all white males aged 13 to 43 died in the war, including 6.4% in the North and 18% in the South. [32] Later 19th century [ edit] Army soldiers in 1890
Hace 22 horas · The Navy's three primary areas of responsibility: [15] The preparation of naval forces necessary for the effective prosecution of war. The maintenance of naval aviation, including land-based naval aviation, air transport essential for naval operations, and all air weapons and air techniques involved in the operations and activities of the Navy.
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