since the end of the first sino-japanese war Hostile_encounter in 1895 , japan feared Change_sentiment russian encroachment on its plans to create Creating a sphere of influence in korea and manchuria .

at the outcome of the cairo conference of november unk , 1943 , the allies of world war ii decided Deciding to restrain and punish Rewards_and_punishments the aggression of japan by restoring all the territories that japan annexed from china , including manchuria , unk , and the pescadores , to china , and to expel japan from the korean peninsula .