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.
Rural life was much more lonely and often times involved close knitt communities of farmers while urban life was much more broad and offered a greater amount of jobs and people.
The leader of the country should consult with others before making important decisions for the people.is <span>political practice that is still in effect today has roots in the Magna Carta.
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Answer:
New inventions allowed more possibilities.
Explanation:
The world changed drastically with the Scientific Revolution and the Age of Exploration. New inventions allowed European explorers to sail around the globe with more knowledge. They found new continents and began to see what the shape of the world was really like.