The Treaty of Paris, ending the Spanish-American War, was signed on December 10. Spain gave up Guam, Puerto Rico, its possessions in the West Indies, and the Philippines in exchange for a U.S. payment of $20 million. The United States occupied Cuba but, as provided for in the Teller Amendment, did not try to annex it.
Answer:
It allowed emperors to justify conquering new territories. It inspired merchants to spread European ideas about democracy.
The American Civil War became known as the first modern was because it was the first war to ever use modern weapons. While other wars such as the American Revolutionary War used gunpowder, the American Civil War used weapons such as the Gatlin Gun, used by General Custer, repeater rifles and pistols, and grenades.
