I suppose like so many historical discussions, it depends on where you draw the starting line. Personally, I find understanding the colonization of the Americas and the emergence of the United States more effectively as a continuum that includes the Spanish, who were the dominate initial "new world" colonial power for a couple hundred years. Not to mention, who actually funded Columbus ;-). I understand this isn't the popular or common place to draw the starting line when reading US history, though. (And maybe not even a good way - just a way that I find personally more interesting.)