The government cracks down on liberal movements and moves swiftly and secretly to write the new Meiji constitution and officially found the Empire of Japan.
The following is a list of some of the Japanese names and terms that are used in this episode: Satsuma, Choshu, Ito Hirobumi, Kido Koin, Okuma Shigenobu, Itagaki Taisuke, Chichibu, Saitama, Iwakura Tomomi, Saionji Kinmochi, Goto Shojiro, Chiba Takusaburo, Enomoto Takeaki.
Sources: The Meiji Restoration by W.G. Beasley, The Making of Modern Japan by Marius B. Jansen, A Modern History of Japan by Andrew Gordon.
Meiji era woodblock paintings: https://medium.com/@kevinshau/meiji-at-150-the-prints-of-toyohara-chikanobu-18c99907c278
The Meiji Constitution: http://afe.easia.columbia.edu/ps/japan/meiji_constitution.pdf