the shrine Hassan Mazloumi, later named Barjesteh, who stated he did not want to listen to the orders of a dog. The Shah intensified his controversial changes following the incident with the Kashf-e hijab decree, banning the chador and ordering all citizens – rich and poor – to bring their wives to public functions without head coverings. Foreign affairs and influence Reza Shah initiated change in foreign affairs as well. He worked to balance British influence with other foreigners and generally to diminish foreign influence in Iran. One of the first acts of the new government after the 1921 entrance into Tehran was to tear up the treaty with the Soviet Union. The Bolsheviks condemned the aggressive foreign policy of Imperial Russia, promised never to interfere in Persia's internal affairs, but reserved the right to occupy it temporarily in the event another power used Persia for an attack on Soviet Russia. In 1934 he made an official state visit to Turkey and met Turkish President Mustafa Kemal Atatürk. During their meeting Reza Shah spoke in Azerbaijani, and Atatürk in Turkish. In 1931, he refused to allow Imperial Airways to fly in Persian airspace, instead giving the concession to German-owned Lufthansa Airlines. The next year, 1932, he surprised the British by unilaterally canceling the oil concession awarded to William Knox D'Arcy (and the Anglo-Persian Oil Company), which was slated to expire in 1961. The concession granted Persia 16% of the net profits from APOC oil operations. The Shah wanted 21%. The British took the dispute before the League of Nations. However, before a decision was made by the League, the company and Iran compromised and a new concession was signed on 26 April 1933. He previously hired American consultants to develop and implement Western-style financial and administrative systems. Among them was U.S. economist Arthur Millspaugh, who acted as the nation's finance minister. Reza Shah also purchased ships from Italy and hired Italians to teach his troops the intricacies of naval warfare. He also imported hundreds of German technicians and advisors for various projects. Mindful of Persia's long period of subservience to British and Russian authority, Reza Shah was careful to avoid giving any one foreign nation too much control. He also insisted that foreign advisors be employed by the Persian government, so that they would not be answerable to foreign powers. This was based upon his experience with Anglo-Persian, which was