The japanese adopted the idea of from otto von bismarck's german empire.

realpolitik
a strong emperor
a peasant uprising
a constitution and cabinet

The Japanese adopted the idea of "Realpolitik" from Otto von Bismarck's German Empire.

Realpolitik is the possibility that you do what attempts to achieve your objective, disregarding any morals or standards that could act as a burden. Bismarck, who needed to join Germany, was eager to do whatever was fundamental.  

In 1862, when Bismarck wound up head administrator of the Kingdom of Prussia, Germany comprised of in excess of two dozen states. Prior endeavors to join them with offers to well known standards, for example, majority rules system, had fizzled. Bismarck said he would frame a domain out of mechanical power and the armed force, or as he put it, by 'iron and blood.' His 'real politics' comprised of utilizing wars to speak to patriotism, while vanquishing any German expresses that contradicted Prussia. He attacked Denmark, and after that turned on his partner Austria, finishing the nation's impact in Germany. At that point in 1870, he deceived France into a noteworthy war, and beat them. In the fervor of triumph, the German states joined in a realm under the King of Prussia. The way that about a quarter million individuals passed on was only an awful symptom of achieving this objective.