Californians called many migrants "Okies” because 1.)the migrants worked in the fruit-picking industry.
2.)the migrants were old and ready to retire.
3.)Californians wanted to discriminate against them.
4.)Californians wanted to welcome them.

Californians wanted to discriminate against them

Explanation:

i think it would be c.

hope i'm correct

explanation:

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.