Answer: federal and democratic
Explanation:
Before Christopher Columbus set foot on the americas, the native Americans were able to choose their own leader(dem) but once he got there he changed it so Native Americans had to follow their rules
Answer:
Gabbang - aka bamboo xylophone
They gave candy and chips
The introduction or "Preamble" if you will.
The correct answer is - trade.
The Sumerians engaged in trade with their move of exchanging their surplus food for materials like the copper that they needed to develop their weapons and thus their army forces. This was a very smart move from their side because they managed to use the resource they had in abundance but was scarce in the other surrounding areas so that they take what they need to become stronger and pretty much defend more efficiently from the same people they were engaging in trade with.