China, Taiwan, Korea, what are you going to do about it?

The Japanese have arrested 14 Chinese citizens in Diaoyutai, a group of islands seized by Japan after it defeated China in 1894. But the post WW2 Treaty after Japan surrendered made Japan returned all the land and islands grabbed by Japan to their rightful owners.

The Japanese also claim Dokdo Island belonging to Korean want to take their claim to the International Court. They have nothing to