Sailed for Spain, brought back natives from Hispanola to show that he found new converts for the Catholic church. 4 voyages between 1492 &1504
I think that the best answer is the geographic location: many other countries (Sweden for example) have tried being neutral at different times but did not manage to: but the fact that the US has only two boundaries, and that both other countries also have a history of fighting from independence from a European power, makes it possible that unless US decideds to get involved in international politics, it can be "left alone".
They possessed large amounts of raw materials
Answer:
Following World War II, the United States emerged as one of the two dominant superpowers, turning away from its traditional isolationism and toward increased international involvement. The United States became a global influence in economic, political, military, cultural, and technological affairs. America's involvement in World War II had a significant impact on the economy and workforce of the United States. The United States was still recovering from the impact of the Great Depression and the unemployment rate was hovering around 25%. Our involvement in the war soon changed that rate. (OVERALL YES)
Explanation:
Google
Answer= Alfheim .
Land of the Elves" or "Elfland"), Anglicised as Alfheim