Industrial life changed society in all of the following ways except a. eliminated the need for a poor, working class c. a middle class developed b. women joined the workforce d. society became urbanized

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