 Economic difficulties, dissatisfaction with the Estonian government policies 'that had sabotaged fulfillment of the Pact and the Estonian government' and political orientation towards Nazi Germany led to a revolutionary situation on June 16, 1940.A note from the Soviet government to the Estonian Government suggested that they stick strictly to the Pact of Mutual Assistance.To guarantee fulfillment of the Pact additional military units entered Estonia, welcomed by the Estonian workers who demanded the resignation of the Estonian government.