United States Geography and Government

Located in North America, bordered by Canada and Mexico
Comprises 50 states, a federal district (Washington D.C.), and several territories
Total area: approximately 3.8 million square miles (9.8 million km²)
Diverse geography:
- Mountains: Appalachian, Rocky, Sierra Nevada
- Deserts: Mojave, Sonoran
- Coastlines: Atlantic, Pacific, Gulf of Mexico
- Rivers: Mississippi, Colorado, Rio Grande

Federal constitutional republic with democratic principles
Three branches of government:
1. Executive: President, Vice President
2. Legislative: Bicameral Congress (Senate, House of Representatives)
3. Judicial: Supreme Court
Two main political parties: Democratic, Republican
Federal system with powers divided between federal government and individual states

Mixed economy with capitalist principles
World's largest economy by nominal GDP (over $22 trillion in 2020)
Diverse industries:
- Service sector: finance, healthcare, technology
- Manufacturing: automobiles, aerospace, chemicals
- Agriculture: corn, soybeans, wheat, cotton
Major trade partners: Canada, China, Mexico, Japan

The United States is located in North America, bordered by Canada and Mexico
The country comprises 50 states, a federal district (Washington D.C.), and several territories
The total area of the United States is approximately 3.8 million square miles (9.8 million km²)
The geography of the United States is diverse, featuring:
- Mountain ranges: Appalachian, Rocky, Sierra Nevada
- Deserts: Mojave, Sonoran
- Coastlines: Atlantic, Pacific, Gulf of Mexico
- Major rivers: Mississippi, Colorado, Rio Grande

The United States is a federal constitutional republic with democratic principles
The government has three branches:
- Executive: headed by the President and Vice President
- Legislative: bicameral Congress composed of the Senate and House of Representatives
- Judicial: Supreme Court
The two main political parties in the United States are the Democratic and Republican parties
Power is divided between the federal government and individual states in a federal system

The population of the United States exceeds 331 million people (as of 2020)
The United States is a multicultural society with diverse ethnic and racial groups, including:
- White: 76.3%
- Black or African American: 13.4%
- Asian: 5.8%
- Hispanic or Latino: 18.1%
- Native American or Alaska Native: 1.3%
Major cities in the United States include New York City, Los Angeles, Chicago, Houston, and Phoenix

The United States has a mixed economy with capitalist principles
The country has the world's largest economy by nominal GDP, exceeding $22 trillion in 2020
The economy is diverse, with major industries including:
- Service sector: finance, healthcare, technology
- Manufacturing: automobiles, aerospace, chemicals
- Agriculture: corn, soybeans, wheat, cotton
Major trade partners of the United States are Canada, China, Mexico, and Japan

Indigenous peoples inhabited the region for thousands of years
European exploration and colonization of the region took place from the 15th to 18th centuries
The American Revolutionary War (1775-1783) led to the country's independence from Great Britain
The Civil War (1861-1865) abolished slavery and preserved the Union
The United States had a major global influence in the 20th century, participating in World War I, World War II, and the Cold War