Who was the original initiator of the attack against South Korea in 1950 and why?

The original initiator of the attack against South Korea in 1950 was North Korea. The attack was initiated on June 25, 1950, marking the beginning of the Korean War.

The reasons behind the attack were complex and multifaceted, but they can be broadly summarized as follows:

1. Ideological Differences: After World War II, Korea was divided into two zones along the 38th parallel, with the North occupied by the Soviet Union and the South by the United States. This division led to the establishment of two separate governments in 1948, each claiming to be the legitimate government of all of Korea. The North was a communist state led by Kim Il-sung, while the South was a capitalist state led by Syngman Rhee. Both leaders wanted to reunify Korea under their own political system, which led to increasing tensions between the two Koreas.

2. Soviet Influence: Kim Il-sung had the backing of the Soviet Union, which provided him with military advisors and equipment. The Soviet Union saw the invasion as a way to spread communism and increase its influence in Asia.

3. Failure of Diplomacy: Diplomatic efforts to reunify Korea had failed, and both sides had engaged in border clashes in the years leading up to 1950. Kim Il-sung believed that a military invasion was the only way to reunify Korea.

4. Perception of Weakness: Kim Il-sung believed that the United States would not intervene to defend South Korea, especially after the US Secretary of State Dean Acheson excluded South Korea from the US Pacific defense perimeter in a speech in January 1950. This perception encouraged Kim to launch the invasion.

In summary, the attack was initiated by North Korea, driven by ideological differences, Soviet influence, the failure of diplomacy, and a perception of weakness in the South.