Please help!!!!!! Urgent!!!!!! One multiple choice question for 20 points!! Will give brainliest!

Why was the “elastic clause” included in the U.S. Constitution?
a. To prevent states from becoming too powerful
b. To allow Congress to make laws to carry out its delegated powers
c. To prevent any branch of government from exceeding its power
d. To protect people’s liberties from abuse by the national government