Hamas, or the Islamic Resistance Movement, is a Palestinian Islamist military and sociopolitical movement that grew out of the Muslim Brotherhood, a Sunni religious and political organization founded in Egypt in 1928 that has branches throughout the world. The United States, Israel, the European Union, and Canada consider Hamas a terrorist organization. The overarching U.S. goal regarding Hamas is to deter, transform, marginalize, or neutralize it so that it no longer presents a threat to Israel's security, to a peaceful and lasting resolution of the Israeli-Palestinian conflict, or to other U.S. interests. This report discusses U.S. efforts and policy debates on these issues.

This report discusses executive authority to authorize force in the crisis involving the Islamic State (IS, also known as ISIL or ISIS), which raised significant concerns for the United States.

This report reviews the authority granted in H.J.Res. 124 and explores similarities and differences among the H.J.Res. 124 authority, the President's requests, and other proposals that may be considered by Congress, including during anticipated consideration of FY2015 full-year appropriations or defense authorization (H.R. 4435/S. 2410) legislation.

This report discusses the history and current state of Syria's chemical and biological weapon programs and possible U.S. government programs that could be used to dismantle stockpiles if the Assad regime were to collapse.

This report discusses the problems facing Iraq as the Islamic State (IS, aka the Islamic State of Iraq and the Levant, ISIL/ISIS) gains power in the region. IS is a transnational Sunni Islamist insurgent and terrorist group that has expanded its control over areas of northwestern Iraq and northeastern Syria since 2013, threatening the security of both countries and drawing increased attention from the international community. The Islamic State has thrived in the disaffected Sunni Muslim-inhabited areas of Iraq and in the remote provinces of Syria torn by the civil war. The Islamic State's tactics have drawn the ire of the international community, increasing U.S. attention on Iraq's political problems and on the civil war in Syria.

This report analyzes bilateral issues between the United States and Syria, particularly regarding the unrest in Syria and the Asad government's violent response. It includes descriptions of recent developments, issues for Congress, U.S.-Syrian relations, U.S. Sanctions, and future prospects related to the role of Congress.

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