They stopped farming and growing crops on one location and started growing and farming crops at another location. This enabled the soil to recuperate and gain the required minerals which makes good soil also fertile
They moved from place to place to find food. In my point of view
The French and Indian War impacted the colonies economically. As a result of the war, the British were able to expand their influence in the Ohio Valley. This meant the British would profit even more from the lucrative fur trade now that France had left the area.
