Answer :
It was A. Austria that Otto von Bismarck took control of in order to start a war in 1866 to gain control of German-speaking states. This is an example of nationalism and imperialism.
Answer:
A. Austria
Explanation:
Otto von Bismarck assumed control of Austria so as to begin a war in 1866 to deal with German-speaking states. This is a case of patriotism and colonialism.
Bismarck had first attacked Denmark in 1866. At that point he invaded Austria, as he accumulated the Germany under the rule of the Kingdom of Prussia.