Has American society improved, declined or stayed the same in regards to the living conditions of the ultra wealthy compared to the everyday citizens?

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.

a, he promoted disarmament

b is the answer i am assuming