Describe the concept of homeland security and its relationship to

Describe the concept of homeland security and its relationship to homeland defense250 words and focus on directly answering the assigned question in a scholarly manner like a very short paper with in-text citations from the lesson/required readings. Each sentence quoting or paraphrasing any ideas or information from any source must be cited properly including the author and year of publication. If directly quoting, you must also include the page or paragraph number that you are quoting from like (Hoffman, 2006, p.7) or for articles and sources without pages (Renner, 2016, para.15). If there is no page number to cite, then you manually count the paragraphs. You also need to have a reference list at the end of your post listing your sources.Concepts of Homeland Security and Homeland Defense(W1) 1. Describe the concept of homeland security and its relationship to homeland defenseNational Strategies and Strategic Documents in Homeland Security(W3) 1. What are the desired characteristics of a national strategy document?What is meant by a strategy hierarchy?Threats to the Homeland and Terrorist Tactics(w4) 1. Identify the top three threats to homeland security and why you chose those as the primary threats.Considering individual tactics, which one do you consider to be the most intimidating and which do you see as the most likely to be used to carry out the next attack on U.S. soil?