A.Women usually worked outside the home for wages.
B.Men and women's roles were easily exchanged in the past.
C.Men's roles at home were more firmly fixed than women' s.
D.Men and women's roles were usually separated in the past.
A.The first sentence.
B.The second and the third sentences.
C.The fourth sentence.
D.The last sentence.
A.destroyed the United States
B.transformed some American values
C.was not important in the United States
D.brought people more leisure time with their families