How to begin looking at this topic" Same Sex Marriages or Domestic Partnerships. (Your thoughts in terms of religion, societal acceptance, preferences, children, benefits, and any other variable you find appropriate for discussion).
Start by looking at the question in terms of societal acceptance. Is domestic partnership more acceptable and why?
Religion, the law and ideas of what a family should look like is rooted in heteronormativity. Heteronormativity asserts that a family should consist of a man and a woman and their biological children. You could look ...
This solution provides references outlining the history of same sex marriage and why it continues to be challenged legally and socially. Gives ideas of how to frame and approach this subject.