Question 2 of 5 In order to conquer new territories, Genghis Khan:
A. appointed foreign advisers to powerful positions.
O B. set up a network of spies to observe his enemies,
C. built a powerful navy to control waterways.
O D. paid foreign soldiers to fight battles his army couldn't win.

C

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.