No, dreamcatchers were not fads in the 1970s because they was used in the age of the Ancient Americas, not the 1970s.
fads
Because they are so popular
my but crack, that's what!
cupcakes
a popular fad was that one fad that associated with that one date by doing something in particular that was cool. this fad was used by every person unless they allergic to fads.
For fashion, this is a hard one. 70s fashion seems to me (wasn't alive then) to be a somewhat mix between 60s hippie chic and 80s disco. Random fads? The Brady Bunch, pet rocks, Barbie.
because it is only popular for a short time like how they put sea salt on all desserts
Fashion trends that are popular for a short amount of time are called fads. Fads tend to pick up popularity quickly, but also tend to end just as fast.
trends or passing phases, popular for a short time
shag
The new cultural trends affected American society in the 1970's were television,music,fads and fashion.