How did the first Mesoamerican civilizations differ from early Middle Eastern civilizations?

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

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.

i think the answer's are a) b) and c)

a causal relation between two events exists if the occurrence of the first causes the other. the first event is called the cause and the second event is called the effect. a correlation between two variables does not imply causation.

explanation: