Why Study A-Level Politics Watch
I'm going to quote in Tank Girl now so she can move your thread to the right place if it's needed.
It's a lot of remembering and regurgitating in essay form throughout the year including exams. That's why I didn't do so well in it, I'm not that kind of learner.
The benefit is that you have greater understanding of British history and also International politics.
Cons could be that you have to write a lot of essays as Gov and Pol requires a lot of theory understanding. This also means a lot of reading too. Therefore you have to be interested in the subject if you want to do well studying it.