Among many agreements was a separate agreement with the United States, the Chester concession. In the United States, the treaty was rejected by several political groups, including the Committee against the Treaty of Lausanne (COLT), and on January 18, 1927, the U.S. Senate refused to ratify the treaty by 50 votes to 34, six votes less than the two-thirds requested by the Constitution.  As a result, Turkey cancelled the concession.  – The Treaty of Sevres was abolished and the borders of the Turkish Republic with Greece and Bulgaria were demarcated; The Turkish state maintained the annexation of Istanbul and Western Thrace; Arrangements were made for the debts of the Ottoman state. In the 19th century, the Ottomans entered into a serious conflict with Dem Haus Saud, the first Saudi state to lead the Ottoman-Saudi war. In Saudi Arabia, the war is seen as the first attempt to create a state independent of the Ottoman Empire, while in Turkey it is often seen as a war against the Sunni movement. This led to brutal military reprisals by Ottoman rulers, who saw the destruction of the Saudi Prime State and the executions of many Saudi religious leaders. This is why there is an eternal hostility between the Turks and the Saudis, which is reflected in the recent revisionist campaigns in both countries.     The collapse of the Ottoman Empire after World War I would finally cleanse the resurgence of Saudi Arabia and the future foundation of modern Saudi Arabia. The 2020 air strike on Baghdad International Airport, in which Iranian General Qasem Soleimani was assassinated by the United States, revealed the complicated nature of relations between Saudi Arabia and Turkey, with the two countries secretly authorizing the air strike, in the hope of eliminating a serious Iranian threat to the two countries` ambitions in the Middle East.    In 1517, after the Ottoman conquest of Egypt, the Hashimite lords of Hejaz joined the Ottoman sultan and placed the holy cities of Mecca and Medina under Ottoman protection, until the 1916 Arab uprising Sharif Hussay of Mecca with the help of Great Britain.
But this success was short-lived, but soon after, the Saudis drove the hashemites out of both cities and most of the Hejaz; The hegemony of the hashemites reduced to the modern kingdom of Jordan (although the Hashemite monarchs ruled Iraq for several decades in the mid-20th century). Mohamed Abdel-Kader Khalil, an Egyptian expert on Turkish affairs, said: “Turkish foreign policy in the Middle East is linked to the use of Turkish military capabilities in the region. This is reflected in Turkish military concentrations on the borders of Iraq and Syria and in its participation in the Red Sea through an agreement on the island of Sawken, Sudan, as well as by the Turkish military intervention in the northern Syrian town of Afrin. After the election of Joe Biden, who criticized the two countries` human rights record, as president of the United States in November 2020, Saudi Arabia and Turkey tried to reconcile.   Foreign Minister Fayçal bin Farhan called relations “good and friendly” and rejected allegations that Saudi Arabia was committed to informally boycotting Turkish goods.  Saudi Arabia is also trying to end the blockade on Qatar, Turkey`s ally.  Nevertheless, Saudi Arabia`s alliance with Egypt and the United Arab Emirates, the two Arab states openly hostile to Turkey, has made it questionable, with the UAE having considerable influence on Saudi affairs and Saudi Arabia`s support for Abdel Fattah el-Sisi.   The growing anti-Turkish alliance between Saudi Arabia and Israel, which has maintained increasingly tense relations with Turkey since 2010, was also ineffective with Israel, the day before the Saudi attempt to reconcile with Turkey, which allowed Saudi charities in East Jerusalem to be an act of entration of Turkish influence and organizations active in that country.  It is the end of the Treaty of Lausanne that threatens the Arabs and their neo-German policies with security and strategic threats.