What are the historical factors that helped lay the foundation for the profession of Emergency Management?

What are the historical factors that helped lay the foundation for the profession of Emergency Management? • Why was the implementation of Comprehensive Emergency Management important to the development of the field and profession of Emergency Management? 2. How might the emergent norm perspective, the systems theory, and the sociopolitical ecology theory give us different views of the same event? • Which theory might help us describe and explain certain types of situations that occur during a disaster? Give some examples in order to explain your answer. Use: Phillips, B. D., Neal, D. M., & Webb, G. R. (2012). Introduction to emergency management. Boca Raton, FL: CRC Press. ISBN: 978-1-4398-3070-3.