It was denied the power within the states, and all of the states formed different "countries" under the articles of confederation congress they also made different currency and their own military.
The main result of the Supreme Court decisions in McCulloch v. Maryland and Gibbons v. Ogden was that the federal government was allowed to continue to exercise its power to regulate interstate commerce over the states.
Answer:
If the states were each independent america would fail. The reason the states would fail is because each of them usually has a smaller population. Nor do they have much defense against each other.
Well there are many, low in food. People need homes, People need water, warmth and a hole lot more.
Hope this helps!