How long did leif erikson explore

He became the first European to land on and establish a settlement in North America. He is also credited for bringing Christianity to Greenland. Nearly 500 years before Christopher Columbus crossed the ocean blue, a Norse Viking by the name of Leif Eriksson landed on the North American continent.

Explanation:

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.

c. mass = force / accellaration

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