Negative effective like killing most of them but positive because the natives taught them how to hunt and get warm for the upcoming winter but a lot of them fell sick
The Mayans had natural resources, they lived in mexico which had many temples and stone building such as pyramids, they interacted by farming, and worshiping they're gods
The Romans really invented the modern version of a political veto in the sense that Consuls were allowed one each, because it kept political power from being spread out too much.
Napoleon the first
Hope this helps. God bless.
