Original sentence: In 1522 a peace was signed, under the terms of which the Grand Duchy of Lithuania was forced to cede to Grand Duchy of Moscow about a quarter of its Ruthenian possessions, including Smolensk
Edited sentence: In 1522 a peace was signed, under the terms of which the Grand Duchy of Lithuania was forced to cede to Grand Duchy of Moscow about a quarter of its possessions within the lands of the former Kievan Rus, including Smolensk