Reply #105: At the time it was probably the political instability and threat of war that made them flee to...

[Solon]

America. The fact is that the United States was born on a land of natives who were sparsely populated, and never a large threat, and other nations that were comparatively weak with a large amount of land between them. This lead to unprecedented prosperity and stability for the nation, more out of luck than anything humans did. The United States was created in what could be the winning lotto number in the geographic lottery. Many natural resources, few enemies, and isolated from the great powers by two oceans.