That is definitely Federalism.
Answer:
Direct democracy or pure democracy is a form of democracy in which people decide on policy initiatives directly. The earliest known direct democracy is said to be the Athenian democracy in the 5th century BC, although it was not an inclusive democracy: it excluded women, foreigners, and slaves.
Answer:
There are many ways that classes of people differentiate themselves from others, but one of the most common ways is by race and/or community where there is a plurality of people. Those may be rather stereotypical pictures, but you get the idea. Diversity is awesome. One lifespan isn't enough to discover all the many forms human beings are and why.