The supremacy clause forms the root of what aspect of the country’s government system?

I believe the answer is: The concept of Federalism

Federalism refers to the concept of government which include the creation of several states with their own autonomy accompanied with one central government to rule them all.

Because of this, supremacy clause is needed in order to ensure that the federal government has the power to overruled all regulation made by the states in case they are contradicting one another.

the relocation of freed slaves to africa. garrison was one of the main voices in the anti-slavery movement, publishing his thoughts and the voices of slaves such as douglass in his magazin the liberator, to involve douglass in the political process.

zoom in on the bill of rights. the other side was just as divided: some antifederalists opposed the constitution only because it lacked a bill of rights, and others opposed it on other grounds and merely used the bill of rights as an excuse to campaign against it.