Which statement BEST describes the information presented by this map?

Responses
A War with France prevented German unification.War with France prevented German unification.
B Germany was a decentralized territory before the 1870s.Germany was a decentralized territory before the 1870s.
C Germany would become a unified state following World War I.Germany would become a unified state following World War I.
D Alliances with Russia kept eastern territories from unifying with western ones.

B Germany was a decentralized territory before the 1870s.