True because in the north back when they were discovering new diseases and tragical events which had to seperate them for a little bit
It lagged because of the bubonic plague
Hello
The answer is Confusianism
Hope this helps
Plz mark me as Brainist
They were interested for two reasons , they were in a power battle where they both wanted to be more powerful , as a result of this they both wanted to have influence over as many places as possible. The other reason is that having influence over certain places can give powerful allies which means in the worst case scenario they have more people on their side. Hope this helped :)