SOCI 1301 Pattern of Descent in the US Discussion

I need an explanation for this Sociology question to help me study.

What is:

a) Patrilineal descent?  

1. b) Matrilineal descent? 

c) Bilateral descent? 

Which pattern of descent is favored in the United States?  Why?

Provide at least (2) examples of how religion has promoted dramatic social transformation.

Is divorce best viewed as a problem, a solution, or a symptom? Explain your answer.