An Example of a President Who Exercised His Power Without

An example of a president who exercised his power without success was:

A) President John Kennedy and his support for a Peace Corps program.
B) President Lyndon Johnson and his proposal for expanded health care for seniors.
C) President Richard Nixon and his efforts to force the North Vietnamese to end their plans to unify North and South Vietnam.
D) President Bill Clinton and his efforts to balance the federal budget.
E) President Barack Obama and his efforts at national health care reform.