Which of the following country recently tested the indigenously developed submarine-launched ballistic missile (SLBM) and becme the first country without nuclear weapon to develop such missile system?

A) Australia
B) Israel
C) South Korea
D) Germany

Explanation: South Korea successfully tested an indigenously developed submarine-launched ballistic missile (SLBM) on September, 15, 2021. South Korea is the first country without nuclear weapons to develop such a missile system.