The answer should be a because their not being violent
Event and Time that event occured.
Explanation:
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The viking who explored and settled Vinland was Leif Erikson.
Answer:
In 1851, the United States government began to introduce a Concentration Policy. This strategy would provide white settlers with the most productive lands and relocate Indians to areas north and south of white settlements. Over the next decade, Indians were evicted from their land to make way for a white society.
