Original sentence: Aimed at Polonization of the southern part was the policy of Communist Poland after the war, as German names were systematically removed, churchyards and gravestones were ploughed under or demolished, and houses were stripped of elements that recalled the German heritage of the area
Edited sentence: Aimed at Polonization of the southern part was the policy of Communist Poland after the war, as German names were systematically removed, churchyards and gravestones were ploughed under or demolished, and houses were stripped of elements that recalled the past Germanisation of the area