What changed the lifestyle of the paleo-indians and led them to form permanent settlements

Paleo- Indians were the first people to enter America around 20,000 years ago. They were divided into groups and traveled from one place to another in search of food and shelter for survival. The agriculture revolution led the Paleo- Indians to permanent settlements and allowed people to grow in population.    

legislative branch:

one of the three branches of government divided between the senate and the house of representatives.

- creates or makes laws

- power to override a veto

executive branch:

one of the three branches of government, headed by the president.

- enforces or carries out laws

- power to veto a bill sent to it by congress

judicial branch:

one of the three branches of government, headed by the chief justice of the supreme court.

- interprets laws

- power to declare laws or actions by the government unconstitutional