Question

Why did President Johnson and the congress see a need for this new department? (The housing and urban development act of 1965)

Answer 1

The Housing and Urban Development Act of 1965 is a major revision to federal housing policy in the United States which instituted several major expansions in federal housing programs.

Hope this helps, the link is below! (Not my words and I am not talking Credit)

https://en.wikipedia.org/wiki/Housing_and_Urban_Development_Act_of_1965