Question

What was the affect of the Supreme Court case McCulloch v. Maryland?

Answer 1

The McCulloch v. Maryland is the case that went to the Supreme Court because the state of Maryland wanted to tax the National Bank established by the Congress. The court ruled that under the Article I, Section 8, the "Necessary and Proper" clause that the state could not tax the institution of the the federal government. This is an landmark case and its effect was that this supported the federal government over the state governments. 

Answer 2

The principal effect of the case is that IT LEGITIMIZED THE POWER OF THE NATIONAL GOVERNMENT OVER STATES.
The Supreme Court case McCulloch vs Maryland was decided by the Supreme Court in 1819. In this case, the court decided that the state of Maryland can not tax the second bank of United States of America, because the government of individual state can not impose laws on the national government.