How did the disaster at ball's bluff act as a powerful deterrent to hasty military action by mcclellan?

Confederate infantry was stayed outdoors in the range, and in October McClellan requested a subordinate to make a surveillance in compel and see what the Rebels were doing. McClellan sorted out and drove the Union armed force in the Peninsula Campaign in southeastern Virginia from March through July 1862. It was the primary substantial scale hostile in the Eastern Theater.

Word of mouth.

In the midwest because it has more moderate climate than the north or south west which makes farming far easier.