It stretches from Western Europe all the way down the lower tip of South America.
Not a lot of commonality there.
Then again, the census form acknowleged that Asian is comprised of people of Chinese, Korean, Thai, Indonesian, Japanese, Vietnamese, etc descent. And none of them get along with one another because of past histories of conquest and discrimination.
But "white" is all lumped together, no matter if you are from Spain, Poland, Ireland, Denmark, Italy...
The only European ethnicity that mattered to Obama's racist census poll takers was Spaniard.