Answer:
A. Federalists
Explanation:
The Necessary and Proper Clause, which gives Congress power to make “all Laws which shall be necessary and proper for carrying into Execution” other federal powers, is precisely this kind of incidental-powers clause.How did the Federalists defend the "necessary and proper" clause? It was needed to carry out its delegated powers. ... The government may exercise all powers that are "necessary and proper" to meet its responsibilities under the Constitution.