Answer:
The Constitution of the United States, adopted in 1787, is the ultimate law of the nation. At the time of its writing, its initial objective was to delimit the functions and tasks of the federal government and its relationship with the states, but thanks to the work of the Anti-Federalists, the Bill of Rights was also adopted, guaranteeing civil rights to citizens. American people.
Thus, the first ten amendments to the Constitution establish limits to the government with respect to the freedoms and rights of citizens, who will be able to exercise their powers within the framework of said amendments.
Thus, for example, the Second Amendment guarantees the citizen's right to bear arms, while the First Amendment guarantees freedom of expression.