Explanation:
After the American attack on Guánica during the Spanish-American War, Spain surrender Puerto Rico (along with the Philippines and Guam). They were then given over to the United States under the Treaty of Paris signed December 10, 1898
Yes, back then thousands of years ago everyone traded to get what they are needed.
Answer:
F)it determined the number of representatives in the House and Senate
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.