Hi there!
A. and B. are both true.
Answer:
<em>Line-item veto</em>
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Explanation:
President Bill Clinton's use of authority granted to him by congress to veto a portion of the budget that provided preferential Medicaid treatment of New York is known as the Line-item veto or the partial veto.
The line-item veto is a special form of veto power that authorizes a chief executive, head of state or president <em>to</em> <em>reject certain provisions of a bill enacted by a legislature without vetoing the entire bill.</em>