Archduke franz ferdidnand, assassinated prior to ww1, was from the nation of

a. germany
b. austria-hungary
c. serbia

The answer is B. Austria-Hungary  and Serbia, where Ferdidnand was assassinated, were always at odds with each other. His assassination sparked social unrest withing all off Europe that had been built up for a long time.

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.