Essays / Western civilazation (Leonardo da Vinci) - coming up with a thesis for my essay [3]

So i'm taking a Western Civilazation class ( HumanitiesII ) that i'm really enjoying, the problem is I have not been in school for about 20 years, and i'm a lilttle confuse on how to pick my subject and my Thesis for my essay. So here it goes.... subject: would be "

The influence of of reformation"
Thesis, How do we practice or do we value reformation as they did in the 1600's how is it the same or different? another thought is ...

Thesis, Do we still have the same beliefs as Martin Luther documented in the 1600's and how are we affected to by Luthernism?

please help me ~