Which of the Following Statements About Strategies Businessmen Used to Eliminate

Which of the following statements about strategies businessmen used to eliminate competition is accurate?

A) Larger corporations were far less likely than small corporations to use strategies to eliminate competition.
B) The most successful way for companies to avoid competition was to sell shares of stock.
C) The most successful way to avoid competition was to form secret "pools" of companies that agreed to keep prices the same.
D) An effective strategy to avoid competition was to drive out or buy out weaker competitors.
E) Strategies to avoid competition were so common that they were readily accepted as uncontroversial.