It's important to strengthen your argument with a 'so what?' sentence that shows your ability to extend and develop your points.
You can see an example of how the writer does this very well in an article about school uniforms (I strongly encourage you to read this article, but I've picked out a few useful collocations).
You can see my blog on how to write an essay about this topic ('to what extent do you agree?').
And you can see a list of these 'results collocations' on the topic of public transport (notice how many similarities there are e.g. 'fosters' 'reduces'.