Answer:
Crossing rivers were probably the most dangerous thing pioneers did. Swollen rivers could tip over and drown both people and oxen. Such accidents could cause the loss of life and most or all of valuable supplies. Animals could panic when wading through deep, swift water, causing wagons to overturn.
Explanation:
Answer: Its economic base was agriculture.
It lacked a modern transportation system. It lacked a substantial wealthy class.
D because of the undiscovered metals that they have just found
