METAL: The Sumerians created used metal in their everyday lives. For example, they used it for farming, creating jewlery, and battling.They used metal because it was more durable and efficient. After they discovered metal, the Sumerians figured out a way to combine different types of metals called. They created an alloy called bronze. They used this to create even stronger weapons and armor.

CONTRIBUTIONS

AGRICULTURE: Agriculture was the best food source the Sumerians had. They used agriculture to trade and survive. This helped the Sumerians drastically because it allowed them to gather food in one place. They raised their crops by using a system called irrigation.