Plas helpp mehhh?!?!?!
What were some impacts of immigration on the North during the mid-1800s?*

A. Catholicism was quickly adopted by most northerner Americans.

B. Most immigrants became farmers.

C. Many people believed there were less jobs available for Americans.

D. It caused an increase in population in the south.

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.

i think the answer is b.