The decline of the Tokugawa shogunate, which covers between 1853 and 1867, when Japan underwent a radical political transformation, mainly by the end of the Sakoku and the political division between Ishin Shishi, which grouped supporters of the imperial restoration, and the shogunal forces , including the select strength of the Shinsengumi. These disputes resulted in disorder and chaos in the country and culminated in the Boshin war, the surrender of the power of the shōgun Tokugawa Yoshinobu in 1867, his surrender to the imperial forces in 1868 and the subsequent implementation of the Meiji Restoration, thanks to which the Emperor Meiji obtained absolute control of Japan. However, forces loyal to the shogunate continued to fight until June 1869.
It was the first contested American presidential election, the first presidential election in which political parties played a dominant role, and the only presidential election in which a president and vice president were elected from opposing tickets.
The War of 1812 changed the course of American history. Because America had managed to fight the world's greatest military power to a virtual standstill, it gained international respect. Furthermore, it instilled a greater sense of nationalism among its citizens.
What most historians do is attempt to re-create a historic event to find what probably happened. Since we can't go back in time to see what actually happened in the past, they make scenarios of what they think would happen will all the knowledge that they know. Artifacts also helps them recreate a historic event and get closer to predicting what happened.