Why is a needs assessment an important step in community intervention?

Visit the Community Toolbox (http://ctb.ku.edu/en/assessing-community-needs-and-resources)

Why is a needs assessment an important step in community intervention? Discuss some of the different methods that can be used to complete a needs assessment. Choose one of the examples listed under the "Examples" tab and summarize the information that was assessed from two community assessments. How did the two assessments you read about compare (discuss similarities and differences)?

this response should cite Both references APA style 250 word count.