the National Parliament would be the ultimate source of power. In the following years, he altered his stance somewhat; the country needed an immense amount of reconstruction, and "direct government by the Assembly" could not survive in such an environment. The revolutionaries faced challenges from the supporters of the old Ottoman regime, and also from the supporters of newer ideologies such as communism and fascism. Atatürk saw the consequences of fascist and communist doctrines in the 1920s and 1930s and rejected both. He prevented the spread into Turkey of the totalitarian party rule which held sway in the Soviet Union, Germany, and Italy. Some perceived his opposition and silencing of these ideologies as a means of eliminating competition; others believed it was necessary to protect the young Turkish state from succumbing to the instability of new ideologies and competing factions. Under Atatürk, the arrest process known as the 1927 Detentions (1927 Tevkifatı) was launched, and a widespread arrest policy was put in place against the Communist Party of Turkey members. Communist political figures such as Hikmet Kıvılcımlı, Nâzım Hikmet, and Şefik Hüsnü were tried and sentenced to prison terms. Then, in 1937, a delegation headed by Atatürk decided to censor the writings of Kıvılcımlı as harmful communist propaganda. The heart of the new republic was the GNA, established during the Turkish War of Independence by Atatürk. The elections were free and used an egalitarian electoral system that was based on a general ballot. Deputies at the GNA served as the voice of Turkish society by expressing its political views and preferences. It had the right to select and control both the government and the Prime Minister. Initially, it also acted as a legislative power, controlling the executive branch and, if necessary, served as an organ of scrutiny under the Turkish Constitution of 1921. The Turkish Constitution of 1924 set a loose separation of powers between the legislative and the executive organs of the state, whereas the separation of these two within the judiciary system was a strict one. Atatürk, then the President, occupied a dominant position in this political system. The one-party regime was established de facto in 1925 after the adoption of the 1924 constitution. The only political party of the GNA was the "People's Party", founded by Atatürk on 9 September 1923. (But according to the party culture the foundation date was the opening day of Sivas Congress