The United States of America, commonly referred to as the United States or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions. Each state has its own constitution and government, but all are united under a single federal system that is based on the principles of democracy. The United States has a long history of immigration and diversity that has contributed to its culture and identity. The country is also home to numerous national parks, monuments, and historic sites that are significant to American history. The U.S. economy is the world’s largest by nominal GDP and second largest by purchasing power parity (PPP). It is also the world’s most technologically advanced nation with a highly developed infrastructure. Additionally, it is home to leading universities and research centers that have contributed significantly to scientific progress throughout the world. In terms of foreign relations, the U.S. maintains diplomatic relations with over 180 countries and has been involved in many international organizations such as NATO and the United Nations (UN). It also plays an important role in global affairs such as trade agreements, disarmament initiatives, environmental protection efforts, economic development programs, humanitarian aid initiatives, human rights initiatives, international security efforts, peacekeeping operations and more. See best-medical-schools for United States Overview. The major newspapers in the United States are mostly privately owned, with a few government-run outlets. The most widely read newspaper is The New York Times. It was founded in 1851 and is published by the New York Times Company. It covers a wide range of topics including politics, economics, sports, culture, and entertainment. It also features articles from international news sources such as Reuters and the Associated Press. Another popular newspaper is The Wall Street Journal. This newspaper focuses mainly on business news stories from all regions of the US as well as border issues between US and other countries in the region. Additionally, it covers domestic political topics such as the President’s activities and the government’s plans for development. Lastly, there is USA Today. This newspaper focuses mainly on culture and tradition, local businesses, health care initiatives, education initiatives, social welfare programs, religious activities and other topics related to life in US. It also publishes articles about local events such as festivals or gatherings that take place throughout the year. Check simplyyellowpages for other media in the country of United States.