Special topic Home land Security

Is homeland security a subset of national security as it has sometimes been described? What do these two security forces do to keep our country safe? For this assignment, you will compare and contrast homeland security and national security.
Take a closer look at these two security entities by responding to the following prompts and questions that are listed below.
Briefly describe the origins of the Department of Homeland Security (DHS) and its main components. When, how, and why was it created?
How is homeland security different from national security? How are these two entities similar?
Explain the roles that homeland security and national security play in preventing domestic and international terrorism.
Your essay must be at least three pages in length, not counting the reference page, and you must include an introduction. You must use a minimum of three sources, at least one of which must be from the CSU Online Library. Your textbook can be used as a source. Adhere to APA Style when creating citations and references for this assignment. APA formatting, however, is not necessary. For information concerning what an introduction is and includes, view the webinar  Introductions and Conclusions . The CSU Online Library also has a helpful tutorial about How to Research Homeland Security Topics

Here is the link of the CSU library to use as one of the sources.