The United Auto Workers (UAW) is an example of a(n):

	craft union.
	occupation union.
	associational union.
	industrial union.

Answer:

United Auto Workers (UAW) is a labor union in United States that represent workers from automobile industry, aerospace industry, and agriculture implements industry. Workers represented by United Auto Workers cut across skill or trade.

In other words, diverse population of workers belonging to above-stated industries is represented by the UAW.

When an union represent workers from an industry or set of industries irrespective of the skill or trade of workers represented then such an union is referred to as industrial union.

So, United Auto Workers (UAW) is an example of an industrial union.

Hence, the correct answer is option (4).