Washington D.C.is the capital of the United States. It's the center of the national government. It's a busy,working city with a large population. But what is more,Washington is also a city of history and culture. Washington was created in 1790,when Congress decided to place the nation's new capital in the east of the country. It was built halfway between the northern and the southern states of the America. And of course it was named after George Washington,the first President of the United States. There are many tourist sights in Washington. One of them is the White House. This is the home and office of the President of the United States. Most visitors are,however,surprised by how small the White House actually is. Washington is also a great culture city. The Library of Congress contains one of the largest library collections in the world. The Smithsonian Museum holds the nation's largest collection of cultural materials. And John F.Kennedy Center is a famous center of art and culture. It has many great musical and theatre performances throughout the year. It can be learned from the passage that  _  .
Washington is the largest city in the USA Washington is also the center of economic in the USA Washington is a young city it is situated in the west of the USA