They wanted to make him look rich and wise so they depicted him fat. If he were skinny he would look as if he was poor, and they didn’t want that. So they made him fuller
Probably rivers and water sources, because you need water to farm, and the water by rivers is rich and the soil is good. So yea the rivers and other water sources would be the main thing.
State wanted to nullify federal law that they deemed unconstitutional!