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USA – Geography and political system 50 states + Washington D. C. (federal district) President: Barack Obama Population: 320 million Area: 10 million km² Currency: US dollar Geography → borders with Canada, Mexico Mountains: Rocky Mountains Appalachian Mountains Cascade Range Sierra Nevada Highest mountain: Mt. McKinley (6200 m) → Alaska Plains: Great Plains Coastal Plain Hawaii – mountainious, volcanic Western part – deserts (Death Valley) Atlantic + Pacific Ocean, Gulf of Mexico Rivers Mississippi - 4th longest and 10th largest river in the world Missouri Arkansas Rio Grande Ohio Great Lakes Superior, Huron, Erie, Michigan, Ontario (Niagara Falls) Big cities & national parks New York – most populous in the US, largest by area in the world Los Angeles Chicago San Francisco Las Vegas Houston NATIONAL PARKS Yosemite Yellowstone (supervolcano) Death Valley Grand Canyon - UNESCO Everglades Sequoia National Park Political system The oldest federation Constitutional republic, democracy Three branches of government → Legislative Congress = Senate + the House of Representatives - makes federal law → Executive president + his Cabinet → Judicial Supreme Court + lower federal courts - judges appointed by the president, interprets laws President of the US can be elected twice Term in office: 4 years Two main political parties → Democratic Party – Left wing, liberal, focused on social development → Republican Party - Right-wing, conservative, focused on business development USA is a member of NATO and UN