How did big business dominate the gilded age?

Big business leaders such as Andrew Carnegie, John D. Rockefeller, and J.P. Morgan gained extreme wealth during the Gilded Age. They profited off steel, oil, and banking. The Gilded Age was also the time of the Second Industrial Revolution, where mass production, conveyor belts, and railroads helped shaped America.

no statements but ok.

the statement that best describes the idea of manifest destiny that was used in the 19th century would be that "it was fate that the united states would continue to  expand westward," since people thought the us was "destined" to do so.