/lit/ - Literature

>>19732731
That was mostly due to necessity. They did expand towards Vietnam but didn't go further because Vietnam wasn't exactly easy to pacify. Mongols in north were too strong and on top of that lacked the spoils to make any war with them worth it. Japanese had too many natural defences and on top of that had a very powerful warrior aristocrasy.

What I'm trying to say is that they were boxed in and on top of that, for them it wasn't worth it. If Chinese were surrounded by juicy, weak and soft targets they'd move them all down at a moment's notice. But they weren't. They were surrounded by poorfags who were much better warriors than they were.