How did we know about the ancient dynasties?

Which one of the following phrases is not defended in the preamble of the constitution? a. the federal government must protect the citizens from attacks both at home and from abroad. b. the government, on any level, must collect taxes to provide public policies for the citizens. c. the minority - no matter how small - has the right to tell the majority what to do. d. every effort must be continually made to make the united states better than it was yesterday.