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Distribution of glaciers in North America (a) in the late twentieth century, and (b) 18,000 years ag
The Caribou Monument at the World War I Beaumont-Hamel Newfoundland Memorial
Cesarean Section Rates, Selected Countries
A farm family in Custer, Nebraska, in 1888, a region where Populist sentiment was strong.
In 2007 acclaimed filmmaker Ken Burns released a documentary on World War II that triggered an angry ...
The Clean Development Mechanism allows developed countries