Why did the Roman Republic have two consuls?
-to help make laws for the entire republic
-to allow for multiple interpretations of the law
-to prevent one person from having too much power
-to manage both the Plebeian Council and the Senate

To prevent one person from having to much power

Explanation:

to make sure one person does not have to much power

Explanation:

both are true, the congress does have the power to create banks, even if this power is not specifically described in the constitution, since there is nothing restricting it and there is power given to the congress to make "all laws which shall be necessary and proper". maryland was not allowed to tax a branch of the national bank operating there, and the supreme court decided that no state could. both of these topics were discussed in a decision of the mcculloch v. maryland case in 1819.

food chain i would say only because there is competition on getting food and survival