• Monroe Doctrine

    The Monroe Doctrine helped America to become a world power by preventing Europeans from colonizing in the America’s. This truly gave America its own identity for the first time.
  • Purchase of Alaska

    In 1867, the U.S. purchased Alaska from Russia for a mere $7.2 million dollars. This helped America to expand by gaining land that was chock full of natural resources.
  • Invasion Of Cuba

    In the Spanish American War, the United States conquered Cuba, which had been in control of the Spanish since the 1500s.
  • Open door policy in China

    The Open Door policy helped the U.S. to expand to China and gave equal trading privileges to all nations in China.
  • Annexation of Hawaii

    In 1900, the United States expanded their territories to the Pacific Ocean when Hawaii became a territory of the United States.
  • Platt Amendment

    The Platt Amendment helped expand then U.S. because it basically allowed the U.S. to have control of Cuba.
  • Panama Canal

    After the Spanish American War, when the American empire went from the Philippines to the Caribbean, the United States needed a way to travel from one side of the empire to the other by connecting the Pacific and Atlantic Oceans. The solution to this was the Panama Canal which helped further expand U.S. domination due to having control over trans-oceanic trade routes as well.