The objective of this research is finding the role of US Led-Coalition in keeping Iraq and Syria stable. The method of research used is qualitative descriptive research. Technique of data collecting is library research. Qualitative analysis is used in analyzing the data, and Deductive as the technique of writing. The research would like to prove that existence of Islamic State in Iraq and Syria became global threat of international scale. The motive of the Islamic State in spreading terror has led international coalition to engage in several engagements to demolish the terrorist group and keep Iraq and Syria stable through US Led-Coalition contribution. Engagement in military and other supporting mechanisms has been conducted showing some obstacles in keeping Iraq and Syria stable by eliminating IS power throughout 2014 until 2015. The engagement also showed the interest of several important dominant actors in US Led-Coalition in counter terrorism form within political and economic interests. Moreover, tough challenges are still faced by US Led-Coalition like the power of IS in getting foreign fighters around the world while the interest of various actors still exists towards Iraq and Syria. Those matters led into separated focus on combating IS with the result that US Led-Coalition is not able to keep Iraq and Syria stable.

1. Ashari, K. (2015). Dictionary of international relations. Bandung, Indonesia: Nuansa Cendekia. PMCid:PMC4681531
   
2. Azhar, M. (2015). The concept of religious democracy as a new political philosophy for countries with Moslem predominant. Journal of Advances in Humanities and Social Sciences, 1(1), 19-28.
   
3. Carter, A. B. (2014). Running the pentagon right: How to get the troops what they need. Foreign Affairs, 93(1), 101.
   
4. HAARETZ. (2017). Which countries support the U.S.- led coalition against Islamic State? Retrieved from https://goo.gl/R6JZTX
   
5. Hayati, S., & Yani, A. (2011). Political geography. Bandung, Indonesia: PT Refika Aditama.
   
6. Human Rights in Ireland. (2011). The difficulties in defining terrorism under international law. Retrieved from https://goo.gl/VO0mmH
   
7. Mansbach, R. W., & Rafferty, K. L. (2012). The introduction of global politics. Bandung, Indonesia: Nusa Media.
   
8. McInnis, K. J. (2015). Coalition contributions to countering the Islamic State. Congressional Research Service. Retrieved from https://goo.gl/0I3PLg
   
9. Oktarino, N. (2015). The “Caliphate” sword historical conflict: ISIS and the radicalization threat in Syria and Iraq civil war. Jakarta, Indonesia: PT Elex Media Komputindo.
10. Plano, J. C., & Olton, R. (1999). Dictionary of international relations. Jakarta, Indonesia: Putra A. Bardin. PMid:10438793      PMCid:PMC94010
    
11. Satu Nusa News. (2015). This is the definition of terrorism based on the constitution. Retrieved from https://goo.gl/rJM640
    
12. Security Council. (2001). Security council condemns, ’in strongest terms’ terrorist attacks on United States. Retrieved from https://goo.gl/do2uNS
    
13. Security Council. (2014). Security council adopts resolution 2170 (2014) condemning gross, widespread abuse of human rights by extremist groups in Iraq, Syria. Retrieved from https://goo.gl/MLjKuG
    
14. Stern, J. & Berger, J. M. (2015). ISIS the state of terror. London, UK: William Collins.
    
15. Unanimously Adopting Resolution 2199. (2015). Security Council condemns trade with Al-Qaida associated groups, threatens further targeted sanction. Retrieved from https://goo.gl/do2uNS
    
16. Winarno, B. (2014). The dynamic of contemporary global issues. Yogyakarta, Indonesia: CAPS.

Zedilla, W. E. (2017). Role of US led-coalition in keeping iraq and syria stable. International Journal of Humanities, Arts and Social Sciences, 3(2), 44-52.