The framers intended an active and powerful government, so they included language to signify that the enumerated powers were meant to be a source of strength to the national government, not a limitation on it. this "elastic clause" is most commonly known as the:

Necessary and proper clause is the correct answer.

Explanation:

The necessary and proper clause of the US constitution gives congress the power to fulfill its legal powers and is also known as the elastic clause. it was added to the constitution in 1787. This clause has been used in cases abut legalizing marijuana, collective bargaining, and Obamacare. The first case against the clause was in 1819. the main purpose of this clause was to give the flexibility to congress to achieve other enumerated power, it was done because Congress was limited in its power. This clause is like a blank check for congress, by using this it can crease any law seen as necessary and proper regardless of the its mention in US constitution.

#1 im pretty sure its a.

d.summerains, the last one