Wolf in the USA

Once in the territory of the USA about 350 thousand wolves which hunted on bisons and deer lived. But after bisons were exterminated by the person, wolves began to attack a livestock, and farmers declared them ruthless war. In the 1930th years the wolf in the USA was completely destroyed almost everywhere where met earlier. Only in 1974 it was taken under protection of the federal law and included in the list of the types which are under the threat of disappearance. In the 1980th years the small group of wolves of Canada got on the territory of the State of Montana, and in the 1990th years the Service of the USA on protection of fish and