It’s the first one for sure
Abraham was againgst slavery
The Ancient Greek and Roman philosophers influenced them through the idea of democracy and people governing through parliaments and assemblies, while the European Philosophers influenced them through the ideas of Social Contract and human rights and things like that. This was mostly from Locke and Hobbes.
1) The law of self interest - when people work for themselves and their own good
2) The law of competition - people make better products because of competition
3) The law of supply and demand - enough goods would be produced or supplied at the lowest price to meet the demand in a market
One thing they adopted is the Mayan calendar