Which preposition to use with condonation

of Occurrences 4%

These included disarmament of the nations, mutual condonation of damages, the establishment of the principle of arbitration for the future, the evacuation of Belgian and French territory by the Germans, reciprocal restoration of the German colonies, and a peace-table agreement as to Alsace-Lorraine, Poland, the Trentino, Armenia and the Balkan states.

Which preposition to use with  condonation