The original purpose of nato (north atlantic treaty organization) was to
a) prevent another world war.
b) create free trade between all nations.
c) limit pollution and the exploitation of natural resources.
d) provide for a defense pact against possible soviet aggression.

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.