(1) After many wars, Kaiser William became the ruler
(2) After 3 wars fought over 7 years with Austria, Denmark and France, Kaiser William I became the ruler of a unified Germany.
(3) The Germans defeated the Habsburg Empire and made Kaiser William I the ruler
(4) Otto von Bismarck became the ruler after defeating France

(1) Area called the Austro-Hungary
(2) Area under the Prussians
(3) Area called the Balkans
(4) Area under the Russians