Complex sentence: He sought peace, moved away from bellicose France when Napoleon III fell in 1871, and in 1872 joined with Germany and Austria in the League of the Three Emperors that stabilized the European situation.
Split into simpler sentences: He sought peace, and moved away from bellicose France when Napoleon III fell in 1871. In 1872 he joined with Germany and Austria in the League of the Three Emperors that stabilized the European situation.