Examlex
List and describe at least five substances that are intended to improve one's athletic performance.List one advantage and disadvantage associated with each substance.
European Diseases
Infectious diseases brought to the Americas by European explorers and colonists that had devastating impacts on the indigenous populations, due to lack of prior exposure and immunity.
Continental Isolation
The concept of a country, specifically the United States, being separated and insulated from the direct conflicts and politics of other continents, particularly Europe, due to geographical distance.
Native Americans
The indigenous peoples of the United States, including American Indians and Alaska Natives, with distinct cultures, languages, and histories.
Above-ground
Pertains to structures, systems, or cables located on or above the surface of the earth, as opposed to being buried underground.
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