Question

which document provided a model plan of government to other nations?
the declaration of independence
the us constitution
the articles of confederation
the bill of rights

Explanation:

The US Constitution established a framework of federalism, separation of powers, and a system of checks and balances that served as a template for democratic governance globally. The Declaration of Independence focused on justifying independence, the Articles of Confederation created a weak central government that was replaced, and the Bill of Rights is a set of amendments protecting individual liberties, not a full government model.

Answer:

B. the US Constitution