Why was the surrender of Edo important during the Meiji Restoration?

The surrender of Edo in May 1868 was a pivotal event in the Meiji Restoration because it marked the collapse of the Tokugawa shogunate’s administrative center and signaled the end of the Tokugawa cause.123

Following the defeat of Tokugawa Yoshinobu’s forces near Kyoto, the imperial army—composed of units from Satsuma, Chōshū, and Tosa—advanced on Edo. The surrender of the city without bloodshed allowed the new government to secure the shogunate's seat of power, effectively consolidating imperial control over the nation.132

This victory was instrumental in the transition to a modern state, as it facilitated the relocation of the imperial capital from Kyoto to Edo, which was subsequently renamed Tokyo ("Eastern Capital"). While sporadic fighting continued in the north until 1869, the fall of Edo ensured that the restoration of imperial rule was irreversible, paving the way for the political, social, and economic reforms that modernized Japan.431