@ Nathan: It is a problem when steel gets taken away from planets with huge resource pools and military bases to outlying planets with neither of those things...
@ Adriddae: Nope. MC only stops your society level from rising, it doesn't affect population growth.
Trading needs some sort of control. Ideally you should be able to mark planets unusable for internal trade as well as external trade. Even better if you could designate what resources are tradeable for each planet..
