From 1886 to 1933 the bison population in North America was reduced from an estimate 13 million to a few hundreds.

Earlier or later, all lakes are influenced by eutrophication, a process in which lake sediment lowers the depth of the water and drains oxygen from it.

Along the East Coast, American Indian women's councils could veto a declaration of war at refusal to supply mocassins and field rations.

Bells are frequently made from bronze, an allony of approximately three part copper, and one part tin.

For centuries the aromatic spices of the Far East has been in demand by the people of the East and West.

Generally regarded as distinct continents, Europe and Asia are simply vast geography divisions of larger land mass.

Plastics used to make textiles can be drawn into fine threads, then woven or knit into fabrics.

Carrie Chapman Catt organized th League of women voters after successfully campaign for the constitutional amendment that gave women the right to vote.

Negotiable instruments such as personal checks may ordinarily be transferred to another people by endorsment.

Seven of planets rotate in the same direction as their orbital motions, but Venus and Uranus rotate in the opposite direction.

Any group that conducting its meetings using parliamentary rules will encounter situations where prescribed procedures cannot be applied.

The Millicent Rogers Museum houses 5 thousand pieces of Hispanic and American Indian jewerly, textiles, and other objects document the vibrancy of these cultures.

The decay of a muon is an exmple of an weak interaction between atomic particles.