Which is true about the history of gender and clothing in the 1970's?

A) There was a strict dress code enforcing girls to wear dresses
B) Unisex clothing was popular and boys and girls wore many of the same clothes
C) Boys wore more dresses than they do now
D) Boys all had very short hair

Unisex clothing became popular in the 1970s, and both boys and girls began wearing clothes that were traditionally considered to be more masculine or feminine. There was not a strict dress code enforcing girls to wear dresses, and boys did not wear more dresses than they do now. Additionally, while some boys may have had short haircuts, there was no universal rule or trend for boys' hair in the 1970s.