How can Congress use its power of the purse to impact the agenda of the executive branch?

A Congress could stop programs or plans proposed by the executive branch from being implemented
B Congress could force the executive branch to fund its own departments and agencies.
C Congress could encourage the executive branch to fund certain departments or agencies.
D Congress could eliminate executive departments or agencies.

All of the options listed are correct ways in which Congress can use its power of the purse to impact the agenda of the executive branch.