Tonguez
A suffusion of yellow
You also have the situation where the American Colonist came in distinct waves from different origins points to different destinations - they didnt have the same culture nor an automatic sense of community.I think being transplanted to a New New World would initially make them cling together much more closely for security. There's no Britain or France that they can naturally ally with if they run into trouble. Even the other human nations are likely to be from different eras in history and they'll have little in common with them.
Likewise, I think the former Floridians, for instance, wanting to head south to a New Florida (with a real Fountain of Youth this time) would be a lot more interesting if there were capable civilizations standing in the way of that, human or otherwise.
Puritans came out of East Anglia and settled New England as a tight, dour religious community 1629 - 40, the Royalist Cavaliers came out of Southern England to settled Virginia 1642 - 75 and the Scots Royalist to Maryland,
Quakers came with Midlands Farmers to settled Pennsylvania/Delaware 1675 - 1725 and
Northern Borderlands and Scots-Irish settled Appalachia and the Carolinas after 1717 - 1775
Not to mention the Dutch, Germans and French around the place
By the time of Benjamin Franklin the colonist were operating as distinct nations and could easily have drifted apart, One of the reasons why Franklin is so historically important is that he largely led the creation of the American identity. It would be fascinating to see what would happen if Franklin hadnt developed the modern postal service, published Poor Richard’s Almanack and supported the Enlightenment in the Americas ...