Inequality, both domestic and international, because of insufficient protections against exploitation. I say this is well worth the price.
For some countries the loss of domestic industry, which has benefited developing nations immensely (including mine), but I am of the opinion that the paramount interests that policies and resources of a nation should serve are that of its citizens.
Environmental degradation
Imperative need for stronger international authorities, like the UN, which will be difficult even on a theoretical level.
Globalisation is established under a set of rules when many nations didn’t even exist yet, but under international law, are bound to its rules by default.
All conflict falls into two categories: internal and external. Internal conflict is when a character struggles with their own opposing desires or beliefs. It happens within them, and it drives their development as a character.
