I would ask an Archeologist. They are generally the ones to answer that type of question.
Answer:
d.All of the settlements were close to major bodies of water.
Explanation:
In the map you can observe that all of the settlements that were located in america were settled near major bodies of water, in bays, and in major rivers, this was because the first settlers that came from England were arriving on boats and the best way to access the new settlements was by boat, so most of the settlements were close to major bodies of water so they were reachable.
Answer:
1. Geographical reason: The North East India is commonly described as "Land of Seven Sisters" because of their interdependence on each other.
Maybe the 2nd one but I’m not sure
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