sailed to Norway were he was converted to Christianity then he sailed off course on his way to Greenland & he landed on the North American Continent & thatbis were he explores a region called Vinland
One of the main reasons Rome did not expand farther north was because this area was inhabited by several hostile tribes and groups, that became too much of a headache for the Romans.
Answer:
They were a reliable food supply
Explanation:
The reason for this answer is that most of the plants the people domesticated was food plants that gave them more fiber and flavor than other foods they were getting, and also so they can mix the herbs with other foods to make them taste better.