Answer:
Legislative ,Executive ,Judicial
Step-by-step explanation:
Legislative- makes laws/ approves presidential appointments/ Two senators from each state/the number of congressmen is based on population
Executive- Signs laws / Vetoes laws/ pardons people/ appoints federal judges/ elected every year four years
Judicial- decides if laws are constitutional/ are appointed by the president/ there are 9 justices/ can overturn rulings by other judges
hope this helps :))