Final answer:
The Anti-Federalists believed that a strong national government threatened the sovereignty of states, overriding local autonomy and individual rights.
Step-by-step explanation:
According to the Anti-Federalists, too strong of a national government meant eventual encroachment upon the sovereignty of the states. The Anti-Federalists were concerned that a centralized federal government would overpower state governments, undermine local authority, and lead to a loss of individual rights. They believed that maintaining strong state sovereignty was essential to protect the freedom and individual liberties of citizens.