I need the options to be able to help you get the correct answer.
After the U.S. landings at Inchon, the North Korean forces were retreating in disarray. MacArthur saw this as a moment to attack into China to reverse the Communist Revolution just a few years before. China attacked fearing the same.
<span>
indentured servants.... hope this helps you.....</span>
Explanation: they made the war a lot deadlier and they almost ended the trench warfare stalemate. they also marked the beginning of modern warfare