Judging from your other questions, I would guess the Aztecs, because they had an extremely advanced civilization relative to their time period. However, you might want a second opinion to verify this. Hope this helps.
In the early 1900s, Russia was one of the most impoverished countries in Europe with an enormous peasantry and a growing minority of poor industrial workers. ... The emancipation of serfs would influence the events leading up to the Russian Revolution by giving peasants more freedom to organize.
No one Congress The state militias The continental army
The top half is human and the bottom half is a horse.