The colors of the American flag are red, white and blue.
If the president of the United States were to be unable to fulfill his duties of commander in chief, it is the job of the vice president to take over the position.
The three branches of the government are the executive, judicial and legislative branches. The executive branch is responsible for the office of the president and around 5,000,000 workers in the administration. The legislative branch oversees the House of Representatives and the Senate, and the judicial branch manages the Supreme Court system and lower courts.
There are 435 representatives in Congress who all serve two-year terms.
The first president of the U.S. was George Washington who took office in 1789.
The 49th state accepted into the United States was Alaska on Jan. 3, 1959, and then Hawaii was officially made the 50th state in the United States on Aug. 21, 1959.
The national anthem of the U.S. is "The Star-Spangled Banner" which was written by Francis Scott Key in 1814.