the campaign ended Process_end on 6 october with germany and the soviet union dividing and annexing the whole of poland under the terms of the unk frontier treaty .

many of the military exiles that managed Control to escape poland subsequently joined Becoming_a_member the polish armed forces in the west , an armed force loyal to the polish government-in-exile .

at the end Process_end of 1940 , hitler confirmed Check the plan Arranging to liquidate `` all leading elements in poland '' .

on the eastern front , the soviet red army ( including the polish armed forces in the east under soviet command ) simultaneously with the western allies , had liberated most of poland and began Process_start their offensive into eastern germany in february 1945 , and by march were within striking distance of berlin .

the 1920 kiev offensive Attack ( or kiev operation ) , sometimes considered to have started Process_start the unk war Hostile_encounter , was an attempt by the armed Bearing_arms forces Military_operation of the newly re-emerged Coming_to_be poland led by UNK UNK , in alliance Collaboration with the ukrainian leader symon petliura , to seize Conquering the territories of modern-day ukraine which fell under the soviet control Control after the bolshevik revolution Change_of_leadership .

the conflict with poland was temporarily settled Resolve_problem in the treaty of kalisz ( 1343 ) .

in a period of three months beginning on 28 april 1947 and with soviet approval and aid , about 141,000 civilians residing around bieszczady and low beskids were forcibly resettled Placing to formerly german territories , ceded Surrendering to poland at the yalta conference at the end of world war ii .

much of the territory allocated to poland in the treaty of riga became Becoming part of the soviet union after world war ii , when the common border was re-defined by the allied powers in close accordance with the curzon line .