The correct answer to this open question is the following.
Although there are no options attached we can say the following.
The immigrant group during the Gilded Age was criticized for not having the intention of becoming permanent American citizens were Asian immigrants, specifically, Chinese immigrants.
Chinese people mostly worked in the packinghouses and in the large industries receiving very low salaries.
During the Gilded Agre, Robber barons of America amassed large fortunes with monopolistic practices. That was the case of wealthy businessmen such as John D. Rockefeller, owner of the Standard Oil Company, or Andrew Carnegie, owner of the US Steel Company.
