The Czar explained that he was discontented with many clauses in the Treaty of Paris.

There was an understanding, if there was no formal compact, that Prussia would lend her support, when the time came for the Czar to declare that he was no longer willing to observe this treaty.
By the end of August Bismarck had therefore removed the chief dangers which threatened him.

Russia was quieted, France was expectant, Austria was pacified.

He had, however, done more than this: he had already laid the foundation for the union of the whole of Germany which Napoleon thought he had prevented.
The four southern States had joined in the war against Prussia.

In a brilliant and interesting campaign a small Prussian army had defeated the Federal forces and occupied the whole of South Germany.