What 3 groups impact social welfare policy the most?

The three groups that impact social welfare policy the most are: 
1. The elderly and handicapped citizens
2. The unemployed and the 
3. The poor.
Social welfare policy are geared towards improving the lives of the less privileged in the society, they are mainly meant to alleviate poverty.
Welfare assistance comes in various forms such as cash aid, house subsidy, utilities subsidy, food stamp, job training, etc.

C, because he has a direct link and profit from the trade. the fastest way by boat to transport those goods is via the panama canal.