According to the secret protocol, the Soviet Union occupied Eastern Poland and forced the Baltic countries to accept the agreements of mutual assistance, and installed the Soviet military bases there. Finland refused to sign such an agreement.
Salaprotokolli alusel okupeeris NSV Liit samal sügisel Ida-Poola ja sundis Balti riikidele peale vastastikuse abistamise lepingud, mille alusel paigutati Balti riikidesse NSV Liidu sõjaväebaasid.