In u. s. television during the 1980s:
a. cold war anxiety was no longer evident in u. s. tv narratives
b. broadcast network tv sitcoms predominately supported a progressive view of identity politics through their radical representations of race and gender
c. the cosby show exemplified the tv industry's return to a policy of lop
d. there was a noticeable shift to the left in dominant political discourses and tv narratives