Question

why was this department created?
to improve domestic security and protect the united states from attack during the cold war
to facilitate the president’s ambition to shrink the size and cost of the federal government
to coordinate efforts to protect the american people after the september 11th terrorist attacks
to redistribute national resources during the demobilization after the fall of the soviet union

Explanation:

The U.S. Department of Homeland Security (DHS), the central department in the diagram, was established in 2002 as a direct response to the 9/11 terrorist attacks, with the core goal of unifying and coordinating domestic security and counterterrorism efforts across its component agencies.

Answer:

to coordinate efforts to protect the American people after the September 11th terrorist attacks