How can I find out what type of Indian tribe my ancesters are from??

Question:

How can I find out what type of Indian tribe my ancesters are from??

I have Indian in me.. Not sure how much or from what tribe and my mother dosen't know either?? My grandparents are deceased, How can I find out what tribe we are from without paying an arm and a leg??

Additional Details

3 weeks ago
I live in Foster, R.I and I know I have to trace it back. What is a sight that can help??

Best Answer - Chosen by Asker: 3 weeks ago
I live in Foster, R.I and I know I have to trace it back. What is a sight that can help??