The early Europeans “sailed” here in small boats that hugged the then-huge glacial shelf that ran from Portugal and Spain to Canada, with stops along the way at the islands in between. They never went to sea, but the boats allowed rapid travel following game. Their arrival in northern North America was thousands of land miles from Mexico and Central America, a distance that would have taken thousands of years to migrate over through rough terrain and obstacles. The finding of Clovis Points that mirror Solutrian Points from Spain cannot be a coincidence.
Well, in 10,000 BC there were no “Europeans” — those people would be just a few centuries off from when East-Asians like the Altaics/Mongoloids would have split off from the Caucasians.