中国

When korean was the Ri dynasty,Japan was reliance on Re.
Such age,Ri-dynasty was very weak.
Japan had helped Ri.
But one of peaple assassinate goverment afficial of japan.
Japan annexed Ri dynasty.
But kotran thinked an aggressive war.

This age was very muddle.
I can't explaine the process in detail.

Next world wor 2 happend.
Korean became in battlefield.
So,that time was war.
it was war,many peaple died.

Japan goverment apologized to korean.
But......