Which of the following statements best explains why the Korean War started? Group of answer choices The Soviet Union invaded the south after a secret plan leaked that the US was going to invade the north. The UN wanted to end communism on the Korean peninsula so they invaded the north on June 25, 1950. Syngman wanted to unite the country so he invaded the north on June 25, 1950. Kim wanted to unite the country so he invaded the south on June 25, 1950.