Crops need nutrients to grow. To restore the nutrients in the field, the land needs to be fallow.For that reason, farmers rotate their crops. This ensures that the soil won’t be depleted of all nutrients. Crop rotation also has other advantages. It controls the spread of pest that feed on a particular crop.
Answer:
In general though, the Aztec were subjects of the more powerful Tepanec and Aztec leaders were only allowed to remain in power by paying tribute to the Tepanec. Also, during this time period, Aztec rulers increased the power of their society by forming strong alliances with other societies around Lake Texcoco.
Explanation:
Andrew Jackson, May 28,1830,<span> authorizing the president to grant unsettled lands west of the Mississippi in exchange for Indian lands within existing state borders. A few tribes went peacefully, but many resisted the relocation policy.</span>
