Why was the Great Restoration announced at Nijo Castle?
Nijo Castle was the shogunate’s political base in Kyoto and Yoshinobu’s residence during his stay there in 1867. Choosing his own official quarters as the venue for the formal announcement was the appropriate protocol for a public political act of that magnitude.
Why did Ieyasu need a castle in Kyoto?
As shogun and military overlord, Ieyasu could not afford to be absent from Kyoto where the imperial court resided. Nijo Castle served both as a visible symbol of Tokugawa authority and as a practical negotiation base with the court, nobles, and western domain lords.
How does Nijo Castle differ from Osaka Castle?
Osaka Castle was Hideyoshi’s military and political stronghold, seized and remodeled by the Tokugawa after Sekigahara. Nijo Castle was purpose-built by Ieyasu as a shogunal palace, prioritizing ceremonial and diplomatic functions over military fortification.