What was the significance of NFIB v. Sebelius? A. The Supreme Court determined that the individual mandate in the Affordable Care Act fell under Congress’s authority to tax. B. The Supreme Court established a precedent for applying the “Necessary and Proper” Clause. C. The Supreme Court ruled that Congress had authority over transportation of manufactured goods within a state. D. The Supreme Court determined that Plessy v. Ferguson’s “separate but equal” ruling was unconstitutional.