Can someone pl help me on this question? I will give the brainliest for the correct answer! Primary Source Reading: Read the primary source and answer the question below.

However, they put to sea as soon as they were ready and sailed for three days until land was lost to sight below the horizon. Then the fair wind failed, and northerly winds and fog set in, and for many days they had no idea what their course was. After that they saw the sun again and were able to get their bearings; they hoisted sail and after a day's sailing they sighted land. -Greenlanders' Saga

What does Greenlanders Saga tell you about Norsemen?