"so if both sides are equally good, we'll be stuck on the coastline -__-"
That's part of the fun
"how does the imperialists build a palace during a civil war"
Seizing the former Imperial Palace, renovations are made of course
do you even realize how great the names for the two opposing forces you've chosen are?
FED = Federalists
IMP = Imperialists
but
FED = Feds
IMP = Imposters, more