<prompt> Bhala okuqhubekayo kwalesi sigaba - Impi ne-Teutonic Order yaqhubeka kusukela ngo-1345, kwathi ngo-1348, amaKnight anqoba amaLithuania eMpini yaseStrėva  <response>: . futhi. UKęstutis wacela iNkosi uCasimir yasePoland ukuba ixoxisane nopapa ngethemba lokuguqulela iLithuania ebuKristwini, kodwa umphumela waba omubi, futhi iPoland yathatha eLithuania ngo-1349 indawo yaseHalych nezinye izindawo zaseRuthenian ezisenyakatho. Isimo saseLithuania sathuthuka kusukela ngo-1350, lapho u-Algirdas enza isivumelwano ne-Principality of Tver. IHalych yanikezwa yiLithuania, eyaletha ukuthula nePoland ngo-1352. Evikelwe yilezo zinhlangano, u-Algirdas noKęstutis baqala ukusebenzisa izinqubomgomo zokwandisa izindawo zaseLithuania. 