This report discusses two separate but closely-related issues regarding the introduction of U.S. armed forces abroad that conceivably could lead to their involvement in hostilities. One issue concerns the division of war powers between the President and Congress, whether the use of armed forces falls within the purview of the congressional power to declare war and the War Powers Resolution. The other issue is whether or not Congress concurs in the wisdom of the action. A longer-term issue is whether the War Powers Resolution is an appropriate and effective means of assuring congressional participation in actions that might get the United States involved in war.

This report discusses the history of Sudan's civil unrest and the subsequent crisis in Darfur, as well as United Nations and United States aid and peacekeeping efforts, and current related policy under the Obama Administration.

This report provides a background to the National Defense Authorization Act for FY2012, the Authorization to use Military Force act, and the President's power to detain "enemy combatants." It then gives a brief introduction to the law of war pertinent to the detention of different categories of individuals and an overview of U.S. practice during wartime to detain persons deemed dangerous to national security. It concludes by discussion Congress's role in prescribing rules for wartime detention as well as legislative proposals in the 112th Congress to address the detention of U.S. persons.

The detainee provisions passed as part of the National Defense Authorization Act for FY2012 affirm that the Authorization for Use of Military Force in response to the terrorist attacks of September 11, 2001, authorizes the detention of persons captured in connection with hostilities. This report provides a background to the legal issues presented, followed by a brief introduction to the law of war pertinent to the detention of different categories of individuals. An overview of U.S. practice during wartime to detain persons deemed dangerous to the national security is presented.

This report discusses political and humanitarian conditions in Chad including political instability, ethnic and regional conflict, and peacekeeping operations. The report also briefly touches upon economic conditions and U.S. Chadian relations.

This report provides an overview of the Central African Republic (CAR) social and political situation and has struggled to emerge from conflict and state collapse since 2013.

The Kurdish-inhabited region of northern Iraq is relatively peaceful and prospering economically, but the Iraqi Kurds' political autonomy and political strength in post- Saddam Iraq is causing friction with Arab leaders in Iraq, Turkey, and Iran. However, an overall reduction in violence in Iraq, coupled with continued U.S. political influence over the Kurds, is likely to prevent a destabilizing escalation of the Iraqi Kurd-Arab disputes. Also see CRS Report RL31339, Iraq: Post-Saddam Governance and Security, by Kenneth Katzman.

This report discusses in brief the current political state of the Democratic Republic of the Congo, as well as the crisis situation in eastern Congo that has displaced more than 250,000 civilians. It also describes U.S., U.N., and other international efforts to aid in resolving the crisis.

This report describes the relationship between the United States and the Sultanate of Oman, especially with respect to Oman's support of U.S. efforts toward peace in the Middle East, the U.S. free trade agreement with Oman, and Oman's relatively close relations with Iran, the last of which seems incongruous with the other positive aspects of Oman's relationship with the U.S.

This report discusses the situation in South Sudan as it faces a number of challenges in the coming years. Relations between Juba, in South Sudan, and Khartoum are poor, and there are a number of unresolved issues between them. The crisis in the disputed area of Abyei remains a contentious issue, despite a temporary agreement reached in mid-June 2011.

This report provides background information on the historical circumstances that led to the adoption of the Voting Rights Act (VRA), a summary of its major provisions, and a brief discussion of the U.S. Supreme Court decision and related legislation in the 113th Congress.

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This report discusses the reasons that Iran is considered a threat to U.S. security, including Iran's nuclear program, involvement with terrorist organizations, and involvement with neighboring countries' local governments. It also discusses ways in which the U.S. hopes to modify Iran's behavior with sanctions, and the effectiveness of these sanctions.

This report discusses the relationship between U.S. and India, particularly regarding the following: India as a counterweight to China; arms sales from the U.S. to India; Indian students in U.S. universities; nuclear weapons in India and Pakistan; India's economy.

With limited natural resources, a crippling illiteracy rate, and high population growth, Yemen faces an array of daunting development challenges that some observers believe make it at risk for becoming a failed state in the next few decades. As the country's population rapidly rises, resources dwindle, and terrorist groups take root in the outlying provinces, the Obama Administration and the 111th Congress are left to grapple with the consequences of Yemeni instability. As President Obama and the 111th Congress reassess U.S. policy toward the Arab world, the opportunity for improved U.S.-Yemeni ties is strong, though recurring tensions over counterterrorism cooperation and lack of U.S. interest in Yemen within the broader foreign policy community persist.

This report reviews key current issues and developments in Pakistan and in U.S.-Pakistan relations.

This report provides historical background and geography of Bangladesh. The report discusses the contemporary political situation, election and Bangladesh politics.

This report discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai, to address corruption within the Afghan government. The report also includes discussion of election fraud and corruption in Afghanistan.

This report covers concerns and issues relating to governance, elections, election fraud/nepotism, human rights, and Afghan culture in Afghanistan. It discusses the pros and cons of U.S.A. intervention in the shaping of these endeavors.

The term "STEM education" refers to teaching and learning in the fields of science, technology, engineering, and mathematics, including educational activities across all grade levels—from pre-school to post-doctorate—in both formal and informal settings. This report is intended to serve as a primer for outlining existing STEM education policy issues and programs. It includes assessments of the federal STEM education effort and the condition of STEM education in the United States, as well as an analysis of several of the policy issues central to the contemporary federal conversation about STEM education.

This report discusses the current political state of Iran, focusing particularly on the influence of the Taliban and other militant groups and on the leadership of Afghan President Hamid Karzai. This report also discusses the U.S.-Iran relationship and U.S. efforts under the Obama Administration to provide military, reconstructive, and stabilization aid.