Condottiere
Emperor Mongoose
Republic, People's Democracy, and Imperial.
The North Koreans might be feeling expansive.
The North Koreans might be feeling expansive.
And in the Sengoku period, it wasn't so much 'expansion'. Nobunaga invaded Korea with the daimyo and clans that were most 'rambunctious'... those who still thought that they could conquer their neighbors with impunity. Inasmuch as Oda Nobunaga spent the last 15 years of his reign trying to stabilize Japanese society and politics, he needed to give these ambitious warlords an outlet. And if that got a few of them killed [and it did] so much the better.There are two reasons that Japan has had an occasional go at conquering Korea.
It's the obvious, and only viable, route, for expansion.
Control the invasion route into Japan.
Natural resources being a bonus.
The third, rather ambitious, being an invasion beachhead into China.