Item 4
The Greek form of Democracy was very different from today as

We aren’t a pure democracy. We vote for people who vote for us. It’s called a representative democracy. In Greece, you voted for everything yourself.

Aregion is an area of land that has common features. these features can be natural, such as climate or landscape. they can also be artificial, such as language or religion. the xinjiang uyghur autonomous region, above, is an area of china inhabited by uyghurs, a muslim group with ethnic ties to turkish people.

Physical systems is the answer