Original: The term wehrmacht is in Article 47 of the 1919 Weimar Constitution , establishing that : Der Reichspräsident hat den Oberbefehl über die gesamte Wehrmacht des Reiches ( '' The National President holds supreme command of all armed forces of the nation '' ) .
Simplified: German tank and air force specialists could exercise in the Soviet Union and German chemical weapons research and manufacture would be carried out there along with other projects .