In what ways did the development of trade and manfacturing impact the Caste system

Since you are in an AP class, you need to conduct these searches on your own.

1. Go to http://www.google.com

2. Type in india trade manufacturing affect caste system (or whatever search terms you need).

3. Press the Enter key.

4. Read different search results until you find what you need.

5. Re-search with different search terms if you don't find all you need.

What do you find? How can you tell what's worth reading and what isn't?