The Sumerians lived in Mesopotamia around 4000 BC. Mesopotamia or the Fertile Crescent was a region in the Middle East between the Tigris and Euphrates rivers, in the territory of modern Iraq, Iran and Syria.
While nearly all the archipelago is part of Alaska and is usually considered as being in the  Alaskan Bush , at the extreme western end, the small, geologically related Commander Islands belong to Russia.The islands, with their 57 volcanoes, are in the northern part of the Pacific Ring of Fire.Physiographically, they are a distinct section of the larger Pacific Border province, which in turn is part of the larger Pacific Mountain System physiographic division.hile nearly all the archipelago is part of Alaska and is usually considered as being in the  Alaskan Bush , at the extreme western end, the small, geologically related Commander Islands belong to Russia.
In the winter, they are most common in the Kuskokwim Delta, St. Matthew Island, and at the southernmost portion of St. Lawrence Island. During the summer months, they migrate to the coastlines of the Arctic Ocean and the Chukchi Sea. There are two main polar bear populations in Alaska. The Chukchi population is found off in the western part of Alaska near the Wrangell Islands, and the Beaufort Sea population is located near Alaskaâs North Slope.