Which us group did not share in the overall prosperity of the 1920's and struggled more than others to make ends meet? corporate boards of directors farmers factory managers middle class factory workers

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