The action is were the traders are.
there be pirates, there be police, there be bountyhunters.
Drop the war embargo, in space, therefore in rp a blockade is pointless, and it harmes the own economy more than it does to the enemys.
One way to get some traders into rheinland, would be to declare all proper ided and tagged bretonians and kusari traders as trusted.
Therefore these transports may cross the rheinland liberty border, with their cargo and profit.
Neither bretonia nor kusari could affort the become a part of the r-l war. so let all the samura, kishiro, bmm, bowex and gateway sippers trough there.
we get rp, pirates and fun for it.
at this point next to no legal trader run between rheinland an liberty, just becasue they play a lawful trader, and dont want to break any laws.
For my gray hairs sake, give the a permission, licence, whatever to trade there.