The correct answer to this open question is the following.
The DOI has four distinct roles. One role is a statement of the functions of government. Give an example where Jefferson talks about the function of government.
Thomas Jefferson was a supporter of antifederalists' ideas to form the United States government. He considered that a strong central government was not the right kind of government for the new nation. He and other antifederalists opposed the idea proposed by Federalists like Alexander Hamilton or John Jay that a strong federal government should be the one in place in the United States.
Thomas Jefferson believed in a kind of government that guaranteed certain liberties for the American people. He thought that the US government should be honest, frugal, and with a simple structure that allowed the correct operation of the governmental departments.