I need some suggestion about some example topics I choose to maybe do. I don't which one seem "not common" or has not been research.

I need some suggestion about some example topics I choose to maybe do.....

option 1 If passing the "make my day" law has been effective since the 1985 to present? I was thinking of doing for today but also for 1975-1985 to see the correlation.

option 2 Does mental treatment decrease crime in a campus?

option 3 Does the amount of money spend on campus security decrease crime