please try and answer to your best knowledge and if you don't know let me know its a guess, thank you. 3 questions you can answer this in the order you please ill give a brainliest.

1. Access

Federalism has the advantage of giving people access to the government because the division of government to local level means that people get the chance to have a say in their local governance.

2. ''shall be the supreme Law of the Land''

In saying that the US Constitution and any laws of treaties made from it are the Supreme law of the land, the Constitution puts federal law over state law as it is supreme to state law.

3. The correct order is;

Case on Affordable Care Act provisions heard in state court. Petitions filed at federal level. Supreme Court decision effects similar laws in all 50 states.

The significance of the result is the change

Sorry, idk! i wish i could ya out : (