Crop rotation :) I think there's a fancy name they used I can't seem to recall but essentially it's just crop rotation haha hope this helped
The years immediately following The Civil War in American History are known as the Reconstruction Era.
Answer:
during the neolithic revolution, human beings began to <em><u> </u></em><em><u>domesticate</u></em><em><u> </u></em><em><u>animas.</u></em>
The XYZ Affair was a diplomatic incident between the United States and France so D) France