Compare the emergence of advanced civilizations in meso and south america with the four early river valley civilizations.
the cultivation of maize was most important to peoples located in
the indus river valley
egypt
mesopotamia
mesoamerica

I would say Mesoamerica...

Explanation:

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