The terms "state" and "nation" are often used interchangeably; however, they refer to two different concepts. What is the main difference between the two terms?

	a.	A nation is when a territory is governed by people of one particular group; a state is made up of people that govern and make laws.
	b.	A nation is a group of people that views itself as a political community; a state is an organization with compulsory membership and sovereignty.
	c.	A state views itself as a political community; a nation is an organization with compulsory membership and sovereignty.
	d.	There is no major difference; the terms "state" and "nation" can be used interchangeably without any confusion.