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| | United States |
 | | It extends from the Atlantic coast in the east to the Pacific Ocean in the west. |
 | | It shares land borders with Canada in the north and Mexico in the south, shares a marine border with Russia in the west, and has a collection of districts, territories, and possessions around the world including Puerto Rico, Midway Atoll, and Guam. |
 | | Major components of the European segment of the United States population are descended from immigrants from Germany, England, Scotland, The Netherlands, Ireland and Italy, with many immigrants also coming from Scandinavian or Slavic countries. |
| www.sciencedaily.com /encyclopedia/united_states (2559 words) |
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