What was a turning point in the domination of the United Nation forces of the Korean Peninsula?

It was North Korean forces capturing Seoul.
It was the Chinese army’s second offensive along the 38th parallel.
It was the North Korean forces invasion of Inchon Bay.
It was the Chinese crossing the Yalu River.

C?

It was D.

Yes, you are correct. The turning point in the domination of the United Nations forces in the Korean Peninsula was the Chinese army's second offensive along the 38th parallel. To arrive at this answer, let's analyze the options provided:

A. North Korean forces capturing Seoul: This event occurred early in the Korean War but was not the turning point in the United Nations forces' domination.

B. The Chinese crossing the Yalu River: The Chinese crossing the Yalu River marked a significant escalation in the conflict, but it was not the turning point in the domination of the United Nations forces.

C. The North Korean forces invasion of Inchon Bay: This event, known as the Battle of Inchon, was a major turning point in the Korean War. It allowed the United Nations forces, led by General Douglas MacArthur, to launch a successful counter-attack and push the North Korean forces back across the 38th parallel.

D. The Chinese army's second offensive along the 38th parallel: This event, which occurred after the Battle of Inchon, marked a crucial turning point in the war. The Chinese launched a massive offensive campaign, pushing the United Nations forces back. This offensive resulted in the Chinese and North Korean forces regaining control of Seoul before being pushed back once again.

Therefore, C is incorrect, and the correct answer is D.

The correct answer is C) It was the North Korean forces invasion of Inchon Bay.