I'd pick a young white guy over an old white guy for president anytime because the younger guy is more likely to have been influenced by the great social changes of the '60s and '70s. ↗
The British were white, English, and Protestant, just as we were. They had to have some other basis on which to justify independence, and happily they were able to formulate the inalienable truths set forth in the Declaration. ↗
Also, of course, for most of this time most Americans thought of America as a white country with, at best, only a very segregated and subordinate role for blacks. ↗