Answer:
54uy4kk46k4768
Explanation:
76i577g4ibbhy76r4u6hyuy566
More food= more people, more people means you need more food, which means you get people to make more food, which attracts more people, etc, etc.
The answer to your beloved question that you have asked this wondrous people is the Overland trail.<span />
Im guessing they were called "wagon trains". Apologies if i'm incorrect!