What did europeans discover would happen if they planted potatoes instead of grain?

I think potatoes Europeans discovered that if they planted potatoes instead of grain that they could feed four times as many people on the same amount of land

How did European horses change the lives of the Native Americans?

Horses provided a faster way to travel around which let them start hunting buffalo for their main food source

I hope this help you!:)

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the main reason the us senate rejected the treaty of versailles was because "european nations wanted to punish germany"

d(:

me and mark as brainliest.