Our federal government has three parts. They are the Executive, Legislative,and Judicial.
Executive:
*signs laws
* vetoes laws 
*pardons people 
*appoints federal judges
*elected every four years
Legislative:
*makes laws 
*approves presidential appointments
*two senators from each state 
*the number of congressmen is based on population 
Judicial:
*decides if laws are constitutional 
*are appointed by the president 
*there are nine justices 
*can overrule rulings by other judges