In order to be considered a civilization a society must

Who commanded fort union in the 1850's? what were their contributions to fort union?

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

In federalism, the power to govern is