Is this statement true or false the spanish were unable to overpower the aztec and the incas with their superior weaponry?

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.

b.

jim crow laws were enacted in northern states.