the increased dominance of large corporations in major industries resulted in: workers enjoyed rising status…

Brief Explanations:

Large - scale corporations often have economies of scale, which can lead to lower production costs and thus lower prices on manufactured goods. Workers may not necessarily see a rising status as large corporations may have more power - centric work structures. Economic opportunity doesn't vanish completely in American life. And large corporations usually squeeze out self - employed/small business owners rather than increase their numbers.

Answer:

C. Lower prices on manufactured goods