Which law passed during the gilded age to reform government

Mark Twain called the late 19th century the "Gilded Age." In the popular view, the late 19th century was a period of greed and guile, when rapacious robber barons, unscrupulous speculators, and corporate buccaneers engaged in shady business practices and vulgar displays of wealth.

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.

just finished this it is b. centrifugal force