Using Greenland as a base, it wouldn’t have been too difficult for them to navigate themselves to Newfoundland.
The punk-ass barbarians of today would be decimated by the Vikings of yore! Hamas would lose any battle with them. Israel needs to teleport a few thousand of them into Tel-Aviv and work it from there. Give them some modern swords, clubs, knives and maces. Horses too!
After the Romans left England, the Vikings developed a thriving community in what today is York England. About 700 AD.
Using Greenland’s grapes, the Vikings could have introduced “firewater” earlier and flourished; instead, the Vikings abandoned their settlements under Indigenous’ pressure.