In this episode, the commander says that the civil war played a role in advancing u. s. industrial progress. can you give an example that proves this argument?

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.

did you check the study guide?