No one. He supplied his own ship and supplies.
no
greenland
The year 1020.
around 970 AD
The east coast of Canada.
They were both European explorers.
He lead a group of Vikings, who became the first Europeans to land in America.
No one. He sponsored himself.
He was for the most part self sponsored as most of his trips were very profitable.
He wasn't sponsored by anyone.
None. He sponsored himself.
None. He supplied his own ship and supplies.