What does World War II have to do with the current trade dispute with Japan and South Korea?

https://www.quora.com/What-does-World-War-II-have-to-do-with-the-current-trade-dispute-with-Japan-and-South-Korea/answer/%E6%A1%91%E7%94%B0-%E5%81%A5%E5%8F%B8-Kuwata-Kenji?prompt_topic_bio=1

This measure has nothing to do with World War II.

First of all, there was no country called Korea during World War II.

The three regulated items in this measure are substances that can be diverted to military use.

Japan had doubts about the use of these three items by Korea.

South Korean Firms Violate International Controls on Shipping Materials for WMDs to Iran and Syria | JAPAN Forward

Korea says that Japan should export three items that can be diverted to military use even if it does not trust Korea.