They felt that when he destroyed the second bank of the USA, founded the Democratic Party
I believe the answer is: Saharan desert
In Hot Desert such as sahara, there is very few water source that organism can use to drink and replenish the fluid in their body, which is why not many animal can afford to cross the Saharan desert.
Camels is the only animal available that could store a Huge amount of water in their hump, which enable them to cross the desert for a very long time without needing to drink.
Due to social media in modern times and many different racially motivated crimes happening it is very hard to not feel divided. But many others groups and peoples motivate unification and peace.
Here are some links to help!
https://en.wikipedia.org/wiki/Industrial_Revolution
http://www.history.com/topics/industrial-revolution