Describe the most relevant attributes of the different eras in Policing (Political, Professional, Community Policing and Homeland Security).

1. Describe the most relevant attributes of the different eras in Policing(Political, Professional, Community Policing and Homeland Security)2. Compare and contrast attributes for two eras and explain how theyhave changed over time. What are the challenges that you observe?
Choose two eras to compare and contrast from the pdf flie that has been uploaded for you