The fundamental cause of the peloponnesian war was
select one of the options below as your
a.
rome's attempt to expand into greece
b.
sparta's fear and jealousy of the power and wealth of athens
c.
alexander the great's conquest of the persian empire
d.
athens's fear of sparta's growing empire in greece
medals shall be given.

regulate taxes

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.