the department of homeland security was created to keep noncitizens from entering the united states. protect…

the department of homeland security was created to keep noncitizens from entering the united states. protect the united states from terrorist attacks. make us citizens more secure in their homes. strengthen us military presence overseas.
Answer
Brief Explanations:
The Department of Homeland Security in the US was established primarily in the aftermath of the September 11, 2001 terrorist attacks to safeguard the nation from future terrorist threats. It is not mainly about restricting non - citizens' entry, enhancing home - level security for citizens, or strengthening overseas military presence.
Answer:
protect the United States from terrorist attacks.