Uniformitarianism- the theory that changes in the earths crust during geological history have resulted from the action of continuous and uniform processes
Oil is one of Saudi Arabia's major exports.
The colors on the new flag (adopted 2001) are Blue, yellow, green.
When the conquistadors arrived the Central Americas, the natives there at Central America believed the conquistadors as gods. So that is the reason why the Spaniards had effortless control over them at first.
What was even more effortless was how the conquistadors brought their own sickness to the natives from the ships and animals.