A natural experiment of history

Respond to the content from the link below, and the instruction is below the link

https://archive.org/stream/fp_Jared_Diamond-Guns_Germs_and_Steel/Jared_Diamond-Guns_Germs_and_Steel_djvu.txt

Consider Jared Diamond's argument that, when two civilizations collide, geography is the main factor in determining which civilization will have the superior resources to vanquish the other. (Note: this link is to a non-formatted copy of the entire book Guns, Germs & Steel. Read only chapter 2, "A Natural Experiment of History").

Sample Solution