An Example of a President Who Exercised His Power with Success

An example of a president who exercised his power with success was:

A) Lyndon Johnson and his push for civil rights for African Americans.
B) Gerald Ford and his efforts to fight high unemployment.
C) Jimmy Carter and his efforts to curb inflation.
D) Bill Clinton and his attempt to make health care more affordable.
E) President Richard Nixon and his efforts to force the North Vietnamese to end their plans to unify North and South Vietnam.