<span>Ernest Swinton and William Hankey</span>
I’m sorry if I get this wrong but James K. Polk
Rivers help geographer to understand how civilizations developed in several main ways.
1. If there is a river near an old civilization, you know where the civilization got their water from.
2. The civilization could have used the river for exporting and importing goods.
3. The civilization could have gone extinct or failed because of the river flooding.
President Andrew Johnson and President Bill Clinton were similar as aside from being presidents of the United States they were both impeached. Another was they were both coming from the South. Hope this is the answer and would be of help.