Can somebody plz go through some of my answer and give me thanks if u do it for me i will do the same for u! :)

This pie chart shows statistics related to the world's population. a pie chart like this one is most for making predictions about the future. showing how parts make up a whole. presenting amounts over a period of time. comparing information from different sources.

Which statement is true of both presidential and parliamentary systems of government?

Turkey a: nato b: warsaw pact c: not a member of either alliance