Who most benefited financially from the transcontinental railroad? a. homesteaders b. chinese, irish, and african americans c. gold miners d. cattle ranchers e. mormons

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