The Aztec Empire is located in Mexico so I believe it would be number 3
Well you can rule out communism since that is not an economic system but a system of government. Socialism is the answer you are looking for. Socialism involves the division of everything into equal parts. No economic classes is a major trait of Socialism.
The least trustworthy source of information for a project on the Jamestown settlement a summary of events posted on an anti-British website.
