Examlex
Eutrophication is primarily a result of (agricultural/industrial/urban) runoff.
Fur Trade
The trading of animal pelts (especially those of beavers, which were highly sought after) between the indigenous peoples of North America and European traders from the 16th to the 20th centuries.
Western Exploration
A period of history involving the investigation and settlement of new lands, especially in the American West, by European powers and later American settlers.
Environmental Concerns
Issues related to the protection of the natural environment, particularly regarding pollution, waste management, and conservation of natural resources.
Merchant Society
A social group or class comprised of merchants or traders who typically hold considerable influence and power within a given economy.
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