In the wake of the deadly November 13, 2015, terrorist attacks in Paris, U.S. policymakers are
faced with a wide range of strategy and operational considerations related to the activities of and
threats emanating from the Islamic State (IS). A terrorist attack such as this prompts an
examination of U.S. domestic security precautions; the role of allies and coalition partners; the
appropriate military and diplomatic reactions; the safety and security of infrastructure and that of
travelers; and numerous additional discrete issues that require the active involvement of dozens of
federal, state, and local government agencies.
With the attacks in Beirut, over Egypt, and in Paris, the Islamic State has demonstrated a
transnational capability that suggests its strategic objectives and tactics have evolved, gaining
strength in some areas and losing capacity in others. The response to these attacks by the United
States and other nations continues to evolve as the threat posed by IS changes.
This report poses frequently asked questions with answers excerpted from other CRS products.
Each section contains references to the full reports in which the material appears.
This report will be updated as additional products become available and events warrant.