Bach reset many simple chorale melodies into complex works using

How did tyrants attempt to gain the approval of common citizens?

What does the second video tell you about life in the united states compared to life in russia?

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