A Massive Wave of Mergers and Consolidations in the United

Multiple Choice

A massive wave of mergers and consolidations in the United States 100 years ago was made possible by

A) the opening up of the western states.
B) rapid innovations in transportation, communication, and management techniques.
C) a massive influx of immigrants from foreign countries.
D) the growth of the American economy due to international trade.
E) the growth of toll roads.