Which strategy did Otto von Bismarck use in his campaign to unify Germany in the 1860s?
A. He started and won wars with foreign countries to make Germans
proud of their nationality,
B. He isolated Germany from the rest of the world by canceling
alliances and ending trade,
C. He offered religious tolerance to minority groups throughout the
German Empire.
D. He created a new German constitution that guaranteed equal
voting rights for all citizens.