Emergency Management and Homeland Security. Hurricane Katrina, the Gulf Coast oil spill, revelations of domestic intelligence surveillance, all have influenced public laws and policy. Prepare a three to four-page paper to share your perspective on the relationship between emergency management and homeland security. Cite any references that you use in APA format. Be sure to address these questions.a.) Describe the relationship between the disciplines of emergency management and homeland security. How are they similar? How are they different? b.) What do you see as the major issues in integrating homeland security and emergency management at the local level? At the national level?c.) What are the most important present and future challenges for emergency management and for homeland security?