An End to the Cold War Came as the Berlin

An end to the Cold War came as the Berlin Wall came down and Western companies and financiers began to invest heavily in what was once called the Warsaw Pact countries.Big multinational companies and their advertising agencies went on a binge,buying other big companies and adding a new term to the financial lexicon.This term was:

A) partnering.
B) free market.
C) oligopoly.
D) megamerger.
E) service economy.