The Polish intelligence agency , the Polish Military Organization ( PMO ) was to carry out Action the coup Change_of_leadership d'etat , planned to be implemented Action in August 1919 .

The PMO hoped to rely on the assistance Assistance of sympathetic Lithuanian activists .

The Lithuanians , not knowing the membership of the PMO , arrested Arrest numerous Polish activists and destabilized Cause_change_of_strength the PMO network enough to prevent Preventing_or_letting the coup attempt Creating .

The Lithuanians , not knowing the membership of the PMO , arrested Arrest numerous Polish activists and destabilized Cause_change_of_strength the PMO network enough to prevent Preventing_or_letting the coup attempt Creating .

Later the full membership list was obtained Getting and the PMO in Lithuania was dissolved Dispersal .