The Polish-Lithuanian union also joined, desiring control of the Baltic trade.
This change would not probably have happened so widely and so quickly without the Polish-Lithuanian union.
Even though not addressed directly, the Act renounced any attempt to resurrect the former Polish-Lithuanian union.
All voivodeships played an important role within the Polish political system, extended to Lithuania by the Polish-Lithuanian unions.
Both Radziwiłłs backed the cause of Lithuania's sovereignty and opposed the growing Polish-Lithuanian union.
Such a move would revive the Polish-Lithuanian union, a personal union between the two states.
The union is generally seen as strengthening of the Polish-Lithuanian union.
More than anything in the Cathedral this chapel symbolizes the glory of Polish-Lithuanian union and common history.
A Polish-Lithuanian union and military alliance had come about as a mutual response to a common threat posed by the Teutonic Order.
The Mutual Declaration strengthened the Polish-Lithuanian union, while keeping many federal aspects of the state intact.