Some Ukrainians greeted the Polish and allied Ukrainian forces Military_operation as liberators , although Ukrainians fought Quarreling for both sides of the conflict Hostile_encounter .

Some Ukrainians greeted the Polish and allied Ukrainian forces Military_operation as liberators , although Ukrainians fought Quarreling for both sides of the conflict Hostile_encounter .

The West Ukrainian People 's Republic , led by Yevhen Petrushevych , had tried to create Creating a Ukrainian state on territories to which both Poles and Ukrainians laid claim .