What executive department was organized in the 21st Century?

The United States Department of Homeland Security (DHS) was organized in the 21st century, specifically in response to the September 11, 2001 terrorist attacks. Established on November 25, 2002, its primary purpose is to coordinate and consolidate national efforts to protect the country from various threats, including terrorism, natural disasters, and other emergencies. The DHS encompasses multiple agencies and functions, including Immigration, border security, cyber security, and disaster response.