The essential aspect of geography where one would learn about the creation of mountains would be the study of plate tectonics. Plate tectonics and the theory of continental drift or the theory on the movement of plates and land masses seeks to explain the phenomena of mountain creation and also how continents are moving around the planet.
Texans are indenting as Independent.
One major effect of the Industrial Revolution was that it took away jobs. Jobs that normal people did were now being done by machines at a faster rate. Also, people started to live in crowded spaces, what is now known as cities to go work at factories for low wages. Also because of the Industrial Revolution, there was a lot of air pollution due to the factories.
Hope that helped :)
Oligarchy
I think because they are a small group that rules a country