Awfully long to hold a grudge? We in the west could have stopped screwing them over a couple centuries earlier as well. Might have avoided the whole civil war

Awfully long to hold a grudge? We in the west could have stopped screwing them over a couple centuries earlier as well. Might have avoided the whole civil war ever happening. EDIT: Was being light-hearted about the "holding a grudge". Been a while since Mao is all.