all of the facts should support the main idea
So that they may act freely and make their own decisions
The business survival skills of the 1930s quickly gave way to a new form of leadership that tested the limit of America's ingenuity, productivity, and compassion.
The answer would be A) because C) is a opinion while B) is a fact, and so since neither B) or C) is correct, that leaves out A) since an argument is a discussion between different opinions or facts like for ex what football team is better, falcons or patriots, this is a ex of a argument since one side is arguing against the other.