“The Rise and Fall of Humanistic Psychology: Exploring its Appeal and Limitations in the Changing Landscape of the 1950s and 1960s”

Humanistic Psychology received considerable attention in the U.S. in the 1950s and 1960s. Then it quickly faded.  Why?  In crafting your answer consider the events in the U.S. and the world and why Humanistic Psychology had an appeal.  Also consider the reasons why Humanistic Psychology did not establish a strong scientific methodology.