The United States is the world’s third largest country by total area, and the third largest by land area alone, after Russia and Canada. The United States of America is a country in North America that extends from the Atlantic Ocean to the Pacific Ocean and shares land borders with Canada and Mexico. The United States is a federal constitutional republic, with its capital in Washington, D.C.
There are fifty (50) states and Washington D.C. The last two states to join the Union were Alaska (49th) and Hawaii (50th). Both joined in 1959.
