Question

otto von bismarck was appointed of germany by king wilhelm i in 1871.
chancellor
kaiser
religous leader
king

Explanation:

Otto von Bismarck was a key political figure in 19th-century Germany. In 1871, after the unification of Germany, King Wilhelm I appointed him to the position of chancellor, which was the head of government. Kaiser refers to the emperor (Wilhelm I was Kaiser), religious leader is unrelated to his role, and king is the title of Wilhelm I, not Bismarck.

Answer:

A. chancellor