' ▁and ▁allowed ▁to ▁en roll ▁in ▁Polish ▁army ▁units . ▁The ▁location ▁of ▁reception ▁cent res ▁was ▁kept ▁secret ▁and ▁no ▁travel ▁facilities ▁provided . ▁Nevertheless , ▁ 1 1 9 , 8 5 5 ▁Pol es ▁were ▁ev acu ated ▁to ▁Pers ia ▁( I ran ) ▁with ▁General ▁Anders ' ▁army , ▁which ▁subsequently ▁fought ▁alongside ▁the ▁Al lies ▁in ▁Iran ▁and ▁Italy ; ▁ 3 6 , 1 5 0 ▁were ▁transferred ▁to ▁the ▁Polish ▁Army ▁which ▁fought ▁with ▁the ▁Red ▁Army ▁on ▁the ▁Eastern ▁Front ▁and ▁ 1 1 , 5 1 6 ▁are ▁reported ▁to ▁have ▁died ▁in ▁ 1 9 4 1 – 1 9 4 3 . ▁ ▁The ▁following ▁are ▁cases ▁of ▁direct ▁execution s ▁of ▁Pol es ▁during ▁the ▁ 1 9 3 9 – 1 9 4 1 ▁occupation : ▁Kat yn ▁mass acre ▁about ▁ 2 2 , 0 0 0 ▁ ▁execution s ▁of ▁prisoners ▁after ▁the ▁German ▁invasion ▁ 1 9 4 1 . ▁ ▁After ▁World ▁War ▁II ▁most ▁Pol es ▁from ▁K res y ▁were ▁exp elled ▁into ▁Poland , ▁but ▁officially ▁ 1 . 3 ▁million ▁stayed ▁in ▁the ▁USS R . ▁Some ▁of ▁them ▁were ▁motiv ated ▁by ▁the ▁traditional ▁Polish ▁belief ▁that ▁one ▁day ▁they ▁would ▁become ▁again ▁law ful ▁own ers ▁of ▁the ▁land ▁they ▁lived ▁on . ▁Some ▁of ▁them ▁were ▁kept ▁force fully ▁in . ▁Some ▁simply ▁stayed , ▁without ▁force ▁or ▁ide ological ▁reasons . ▁ ▁W anda ▁Was ile