Which of these statments is true of the abolition movement

A. It increased contact between the races , leading to greater understanding

Explanation:

This answer is correct because now that whites could see how blacks lived and where treated by other whites it brought understanding

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.