I believe it's B. Economics policies. During his presidency, he put forth a lot of economic policies.
From southern Maine down to about the Carolinas, you would have seen pretty much the entire coastline lined with farms, cleared land, interior for many miles and densely populated villages generally rounded with wooden walls. And then in the Southeast, you would have seen these priestly chiefdoms, which were centered on these large mounds, thousands and thousands of them, which still exist. And then as you went further down, you would have come across what is often called the Aztec empire. (Sounds pretty cool!)
you know at the top it says 24 points right? YOU LIED