Answer:
Option A
Explanation:
The Boshin War had two major engagements, firrst the Battle of Toba Fushimi in Januray 1868, that wouldtrigger the escape and abdication of Tokugawa Yoshinobu, and the battle of Hakodate in April 1869 that ended wit the capitulation of the Ezo Republic, which was created after the abdication of the Tokugawa shogun. 1869 marked the beginning of the Meiji Era and of the modern history of Japan, and also the return of power to the Emperor, which allowed the consolidation of the power of new elites originated from the dominions of Satsuma and Choshu.