In the USA, interest in expansion came essentially from a number of practical and ideological changes. First, by virtue of its massive economic growth after the Civil War:- spurred by an abundance of natural resources and rapid industrialization - the United States had become a "great power". Numerous publicists started to suggest that as the United States was now a great power, it should start to act like one.
Practical changes also led to America turning its eye towards other countries. The American "frontier" had essentially disappeared by the last decade of the Nineteenth century; many started to state that the country would need new land and opportunities to serve a growing population. Militarist minds suggested that the US would need to become a great naval nation in order to protect its borders, and Social Darwinists suggested that "manifest destiny" could be extended to other countries. Thus, stated simply, they stated that the world was a jungle and that only the strong in a raw, physical sense could survive. Added to these arguments were those of idealists and religious leaders who argued that Americans should "take up the white man's burden" and carry their supposedly self-evidently superior culture (cultural, economic, political, religious) to the native peoples of the world.
Thus a whole series of factors ...Show more