Occupation of the Ruhr important harbour in Duisburg-Ruhrort, ending French occupation of the Ruhr region on 25 August 1925. According to Sally Marks, the occupation of the Ruhr "was profitable and caused neither the German hyperinflation, which began in 1922 and ballooned because of German responses to the Ruhr occupation, nor the franc's 1924 collapse, which arose from French financial practices and the evaporation of reparations". Marks suggests the profits, after Ruhr-Rhineland occupation costs, were nearly 900 million gold marks. Despite his disagreements with Britain, Poincaré desired to preserve the Anglo-French entente and thus moderated his aims to a degree. His major goal was
International Authority for the Ruhr would have on the German economy, France's response was to suggest the Germans would just have to "make the necessary adjustments" to deal with the inevitable foreign exchange deficit. In 1947 France removed the Saar from Germany and turned it into a protectorate under French economic control. The area returned to German administration on 1 January 1957 but France retained the right to mine from its coal mines until 1981. French plans for the complete detachment of the Ruhr from Germany met with greater resistance. In September 1946 James F. Byrnes, the United States Secretary of State stated in a