You have to do that your self bc it says I and I don't know about you and your life
Fortify is a verb that means "strengthen (a place) with defensive works so as to protect it against attack."
Ex. "The whole town was heavily fortified"
Answer: 2
Explanation: Whaling was not the only option and the other two are wrong
I could be wrong but I'm pretty sure it's by exchanging ways of living like planting corn and hunting.
