Why would the discipline of geography be helpful when talking about suicide?Why would someone want to write a part about geography in their paper...

I am not sure if there is supposed to be anything about Shakespeare in our answer -- I do not see how to bring Shakespeare in here...

If a person is writing a paper about suicide, geography can be important.  Specifically, it would be very helpful to know about the distribution of suicide over space.  In other words, do suicides happen a lot in some places and not so much in others.  If you look at data on suicide and find that suicide rates are very different in different countries or regions, you can start to ask good questions about suicide.

You can ask whether there is something about some regions that make suicide more likely.  Is the culture of the region the cause?  Is the climate?  By asking such questions, you can better understand the causes of suicide.