Research Has Found That It Is Often Useful If Parties

Research has found that it is often useful if parties conflict combines both collaborating and competing because:

A) collaborating and competing are basically the same processes
B) collaboration lays the groundwork for successful competing
C) competing develops character and collaboration promotes humility
D) competing sharpens the conflict and collaborating moves parties towards a mutually acceptable position
E) competing fogs the conflict and collaboration sharpens the differences