The federal medical assistance program that pays for the health care of individuals with low incomes and individuals who are physically disabled or blind ) medigapb) workers' compensation c) medicaid d) medicare

c) Medicaid

Explanation:

Medicaid is a funding assistance program run by the collaboration of state and federal government. It covers the medical expenses of low income Americans. They can fall under following categories to claim Medicaid:

a) pregnant whether single or married

b) parent with a child who is under 18 year old

c) a teenager living alone

d) disabled and blind

e) aged

f) not disabled and no children

The benefits cover variety of services like diagnosis cost, hospital transportation cost, nursing home cost etc.  

the trait of personality falls in the middle of the diagram because personality is a mixture of ones nature and environment.