When did the first humans cross into north and south america?

Modern science facts have shown that humans did not finally settle into the America's until 20,000 years ago. It is said that those who were the first to settle into the America's were from Asia.

All you have to do is pee in some of the number so that's between x 3 the p is like the prime number so i'll let you do is check for primus pride i've been 7 3 4 5 and 6 and you can you can just times or / that