Why do People Become Vegetarians?

For much of the world, vegetarianism is () ________ a matter of economics. In countries like the United States people often choose to be vegetarians for reasons () ________ than costs. Parental preferences, religious or other beliefs, and health issues are () ________ the most common reasons for () ________ to be a vegetarian. Many people choose a vegetarian diet out of concern over animal rights or the environment. And lots of people have (10) ________ one reason for choosing vegetarianism.