One-party period of the Republic of Turkey the Liberal Republican Party was established but dissolved by its founder. The Progressive Republican Party had also been established in 1924 by Kazım Karabekir, but was banned after its members' involvement in the 1925 Sheikh Said rebellion. Despite Atatürk's efforts in establishing a self-propagating multi-party system during his presidency, this was only established after his death in 1938. With the establishment of the Republic of Turkey, efforts to modernize the country began. The institutions and constitutions of Western states such as France, Sweden, Italy, and Switzerland were analyzed and adapted according to the needs and characteristics of the Turkish nation.
History of the Republic of Turkey purchases of chrome (used in making better steel). Inflation was high as prices doubled. By August 1944, the Axis was clearly losing the war and Turkey broke off relations. Only in February 1945, Turkey declared war on Germany and Japan, a symbolic move that allowed Turkey to join the future United Nations. On October 24, 1945 Turkey signed the United Nations Charter as one of the fifty-one original members. In 1945, the first opposition party in the multi-party system in Turkey, the National Development Party, was established by industrialist Nuri Demirağ. In 1946, İnönü's government organized multi-party elections, which were