The State of Michigan Passed a Law That Allowed Wineries

Multiple Choice

The state of Michigan passed a law that allowed wineries within the state to ship wine directly to Michigan consumers without having to go through a wholesaler.The same law prohibited out-of-state wineries from doing the same.In effect,the cost of out-of-state wine increased as it had to go through a wholesaler,thereby providing incentives for Michigan consumers to purchase Michigan wine.However,in 2005,the Supreme Court ruled in Granholm v.Heald that the law was unconstitutional as it discriminated against out-of-state wineries.Which clause of the Constitution was used to declare the Michigan law unconstitutional?

A) commerce clause
B) supremacy clause
C) full faith and credit clause
D) privileges and immunities clause
E) necessary and proper clause