How did Bismarck use war to strengthen Prussia

Otto Von Bismarck was the President of Prussia.

Explanation:

Prussia established economic control superiority in central Europe which led to decline of Austrian influence and unification of Germany.

Otto Von Bismarck unified the German states of the North. Influence of Austria was declined by removing it from German Federation. Bismarck also made Berlin the center of all German affairs. He had also built a strong Prussian army to defend in case any war broke out between German states and Austria. He raised money through collecting taxes and strengthened the army.