$16\mathrm{.}1.$ What factors combined to make the United States a mature industrial society after the Civil Wa

Identify the statements that describe "robber barons."

Correct Answer$($s$)$

Ironically, many of the "robber barons" rose from modest backgrounds and seemed examples of how creative genius and business sense enabled Americans to seize success.

John D$.$ Rockefeller's Standard Oil Company manipulated the market and bribed legislators.

They were instrumental in instituting the eight$-$hour workday for employees.

They were industrial leaders who hoarded their fortunes to pass on to their family for generations.

Incorrect Answer$($s$)$