Summary and Review

The chapter discusses the challenges faced by the United States in the 21st century, focusing on the aftermath of the September 11 attacks, the War on Terror, and the invasions of Afghanistan and Iraq. It highlights the shift in U.S. foreign policy under President George W. Bush, the implications of the War on Terror for domestic security, and the impact of economic policies, including tax cuts and the response to Hurricane Katrina. The chapter also addresses social issues such as immigration, same-sex marriage, and climate change, culminating in the election of Barack Obama and the ongoing challenges of his administration.