Can someone please help me answer this question for school?
PASSAGE
I wish only to express my conviction that, in the not too distant future, we shall have to fight for our existence against Austria and that it is not within our power to avoid that, since the course of events in Germany has no other solution.
QUESTION
Now take a closer look at the last part of the passage that you just read. This will help you identify Bismarck’s main argument.

What is the main argument that Bismarck is making in this passage?