Essential Info for the USA

Population: About 326 million 

Capital city: Washington DC

Neighbouring countries: Canada to the north and Mexico to the south.

Geography: The United States is one of the world's largest countries with diverse geographic features ranging from the grasslands of the Great Plains in the east to the harsh desert terrain in the southwest to the infamous Great Lakes in the north.

Political system: Federal presidential constitutional republic

Major religion: Christianity

Main languages: English, Spanish

Money: The US Dollar (USD), divided into 100 cents.

Tipping: Standard 10 to 15 percent in restaurants and taxis.

Time: The USA spans six time zones. Eastern Time is GMT−5, Pacific Time is GMT−8, Central Time is GMT−6, Mountain Time is GMT−7, Alaska is GMT−9 and Hawaii is GMT−10. Daylight saving time applies between March and November in all states except Arizona and Hawaii.

Electricity: 120 volts, 60Hz. Standard plugs have two flat pins but three-pin plugs are also used.

Internet domain: .us, .gov, .mil, .edu

International dialling code: +1

Emergency contact: 911

Transport and driving: Traffic drives on the right. There is a comprehensive public transport system in place, including the subway, cabs and buses. Cities are well-connected. 

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