The purposes of the Preamble of the Constitution explain all of the following EXCEPT: A.
the intentions of the Framers for a single united government
B.
the purpose of the Constitution
C.
that the power of government comes from the president
D.
that the power of the government comes from the people

One drawback of voluntary trade is that it a.requires two groups to use a common language b.can make one group dependent upon another for necessary goods c.doesn't occur unless there is a shortage of goods for at least one group d.forces groups to rely on themselves to produce all the goods they need