Respuesta :
Answer:
Climate and slavery
Explanation: Slaves were the main reason that there was food before the end when Abraham was president. Climate and slavery can change how the crops were grown. I'd also say the geography was messed up then due to the climate. (sorry if wrong Q-Q)
Answer:
The climate on the plains was too arid. 160 acres was not enough land to make a living. The lack of natural vegetation made raising livestock difficult.