<human>:  What are 10 things everyone should know about American government?
<bot>: 
1. All American citizens have the right to vote.  
2. The U.S. is a federal republic comprised of 50 states plus the District of Columbia.  
3. The three branches of the U.S. government are the legislative, executive, and judicial.  
4. The legislative branch is composed of the House of Representatives and the Senate.  
5. The President of the United States is the head of the executive branch.  
6. The Supreme Court is the head of the judicial branch of the government.  
7. The Constitution of the United States is the highest law in the land.  
8. The U.S. flag is made up of 13 alternating red and white stripes and 50 white stars on a blue background.  
9. The national anthem of the United States is “The Star-Spangled Banner.”  
10. The taxation system in the United States is based on the principles of progressive taxation.