With a POD of 1973 and start of the kung fu craze make it by 2020 martial arts is commonplace and normalized in America.
There seems to be a number of possible values including Hollywood piling in on the initial kung fu craze and broadening it American stars and hybrid styles which slowly spread across the action genre and trickling down into society with it being picked up as an easy way to defend yourself from crime in the big city. During the 1980's Asian culture imports brings a new flair to this movement and a strong martial arts culture develops alongside wrestling and boxing (with wrestling incorporating many elements) to the point its taught in schools.
What other ideas do people have?
There seems to be a number of possible values including Hollywood piling in on the initial kung fu craze and broadening it American stars and hybrid styles which slowly spread across the action genre and trickling down into society with it being picked up as an easy way to defend yourself from crime in the big city. During the 1980's Asian culture imports brings a new flair to this movement and a strong martial arts culture develops alongside wrestling and boxing (with wrestling incorporating many elements) to the point its taught in schools.
What other ideas do people have?