1) The USA is one of the largest industrial countries in the world. It is located in North America. It consists of 50 states. The largest state is Alyaska and the smallest one is Rhode Island state. The largest river is the Mississippi.2)The  USA is a young country.  In fact, not so long ago people called the USA the "New World".
3) The capital of the United States is Washington D.C.(since 1800)
The former name of the city was New Amsterdam. The first president of the country was George Washington. Today the president is Donald J. Trump. He's the 45th president of this country.
4) The largest city in the country is New York City. It was the capital of the USA, but only for one year
5) There are many pop-stars from Hollywood, state California
6) Only in the USA people celebrate Thanksgiving and Memorial Days.
7) The population of the country is about 325 mln. people.