They used their natural resources often in the form of food, through fishing, hunting of bears and deer, and picked berries and fruits. Along with using the bears and deer for food, they repurposed their fur for clothes and blankets.
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The Old Immigration Wave was a group of people that were actually immigrants themselves whereas The New Immigration Wave can be people who weren't immigrants but there family members were or ancestors.
The Greeks were not as united as surrounding countries because of the geographical features. Therefore Greece made city states that were ruled by local leaders. These were small civilizations. Sparta and Athens are examples of city - states