Answer:;
See below
Explanation:
1. the male was the main income earner in the last century
2. Do you know whether extended families are traditional in Japan?
3. The government gives poorer families benefits.
4. Family members don't always get on well.
5. Household tasks are often shared by men and women.
6. Single parent families are becoming increasingly common in Western Society.
7. There urgently need to be studies on why the family structure is less important.