Herjólfsson later sold his ships to Ericson, who sailed west intentionally and was not blown off course trying to reach Greenland after meeting King Olaf, as in the
Saga of Eric the Red
. With wood being in very short supply in Greenland, the settlers there were eager to explore the riches of this new land. Ericson explored this coast and eventually established a short-lived colony in what he called Vinland.
There is not an exact answer, but I believe it is millions.
Well it did a change for the counties but there is one thing that it might of done and that is let all the people come to america early
Im not sure because im not a teacher so good luck but sorry