If you are referring to the Song Dynasty, Emperor Taizu sought to shift the bureaucratic balance in favor of civil rather than military officials in order to prevent the rise of strong military leaders who might challenge the throne. This policy changed the landscape of Chinese society as it heralded the elevated position the scholar-official (shi<span>) class, which would be maintained until the end of dynastic China.</span>
I’m not 100 percent sure but I think it references Japan surprise attack on Pearl Harbor to kick off ww2 and causing the u.s to get involved (hope this helped)