Nothing, as the question is written.
Syria, Palestine, and Iraq were mandates/proto-states that were carved out of the Ottoman-controlled Middle East as a result of Sykes-Picot Agreement during World War I and were only realized in the Treaty of Versailles after World War I. As as a result, there was nothing to promise non-existent entities.
What the question is likely intending to ask is "What was promised to the Arabs concerning the regions that would become Syria, Palestine, and Iraq during World War I?" -- If that is the case, please see the Related Link below.
Syria is independent, but is in a state of civil war. Palestine is quasi-independent because of the Israeli Occupation of the West Bank and the non-recognition of Hamas-controlled Gaza by most countries around the world.
During WW1, soldiers were promised mostly money or a promotion for the capture, killing of enemy troops, or for capturing enemy trenches.
During the McMahon-Hussein correspondence in 1915/1916 the British promised the Arabs (Hussein was at their time their main spokesman) an own sovereign, independant country if they helf the British army defeating the Osman Empire during the 1st World War. Instead, not only did the Sykes-Picot agreement between France and England already divide the future Arab country in a french and a british part. With promising the influential Jews surrounding Chaim Weizman to form a Jewish homeland in Palastine (Balfour declaration), the British yet again had clashed the promise made by MacMahon to the Arabs.
Palestine. Before that it was called Judea, and before that it was Israel. Its first name was Canaan. If the question seeks to ask specifically before World War 1, Palestine was the term used for the general region of the southern Levant under Ottoman Turkish Occupation. The territory was administrated as part of three different wilayaat or governates: the Wilayat Beirut (which consisted of much of Lebanon and northern Israel/Palestine), Mutasaffirat al-Qods (which consisted of Jerusalem and the surrounding area in central Israel/Palestine), and Wilayat Dimashq (which consisted of much of Syria, Jordan, and the southern Negev Desert in Israel). The Palestinian Arabs had little to no power in the administration or politics of any of the three wilayaat, which were ruled entirely by Turkish nobility in Beirut, Damascus, and Istanbul.
Palestine
Each of those three merits a different response. The Hussein-McMahon Correspondence of 1915 is rather unclear as to specifics. Iraq: According to the HMC, Iraq should have been part of the unified Arab State under King Faisal. Syria: According to the HMC, most of Syria should have been part of the unified Arab State under King Faisal. However, the coastline areas of Syria (Alexandretta - now in Turkey, the Alawite Districts, and Lebanon) were excised from the borders of Syria promised to the Arabs. Palestine: The HMC does not mention or describe Palestine in any particular way (neither Israel/Palestine nor Jordan). However, if the cleft formed in Syria between the coastal areas and the internal areas was followed in Palestine, Israel/Palestine would not be promised, while Jordan would be. Most Arabs argue, however, that the lack of mention of Palestine in any way means that all of Palestine was promised to the Arabs since much of the HMC operated under those conditions.
all over the world Jordan, palestine, Syria and indonesiah
Syria is independent, but is in a state of civil war. Palestine is quasi-independent because of the Israeli Occupation of the West Bank and the non-recognition of Hamas-controlled Gaza by most countries around the world.
Middle east, beside the Mediterranean Sea, near Syria, Jordan, Palestine (israel) ....
Iraq, Syria, Lebanon, Transjordan (now Jordan), and Palestine were established as distinct political entities during the aftermath of World War I, particularly with the Sykes-Picot Agreement in 1916 and the subsequent League of Nations mandates in the early 1920s. The modern borders and political structures of these countries largely took shape between 1920 and 1922. Iraq was formally recognized as a kingdom in 1921, Syria and Lebanon were established as French mandates in 1920, and Transjordan was separated from the Palestinian mandate in 1923. Palestine was designated as a British mandate in 1920, with its status evolving over the following decades.
England
Palestine was mostly an empty land during WW2. Most of the local population worked on agricultural pursuits.
After World War, the League of Nations issued mandates for the governance of certain areas formerly ruled by Germany and the Ottoman Empire. In the middle east, the British received a mandate for Palestine, Transjordan (Jordan) and Mesopotamia (Iraq). The French received a mandate for Syria and Lebanon.
Relations were difficult and often tense.
Briefly, the establishment of a Jewish homeland in Palestine. Britain, the colonial power at the time, promised this in exchange for help during World War One. Similar promises were also made to the Arabs for their help during the same conflict, which is why it's sometimes called 'The twice-promised land'. Both sides feel the land is theirs and so far, no compromise solution to share it has been acceptable to either.
Israel and Palestine
Turkey along with Iraq, Jordan, Lebanon, Palestine (now Israel), Syria, Yemen became independent states after the collapse of the Ottoman Empire.