The tradition of coregency among Lithuanian rulers enabled them to simultaneously pursue a western policy towards Poland and the Monastic State of the Teutonic Knights and an eastern one towards the Russian powers, for example the Principality of Moscow, the Novgorod Republic, and the Pskov Republic.
A long-standing practice among Lithuanian leaders enabled them to maintain two separate diplomatic approaches simultaneously: one directed at Western Poland and the Teutonic Knights, while another focused on Eastern Russia, encompassing the Principality of Moscow, the Novgorod Republic, and the Pskov Republic.