What were industrial leaders (like rockefeller in oil industry and carnegie in steel industry) able to do by creating monopolies and establishing trusts?

The name for the compound with the formula cr2o3 would be written as a. chromium(i) oxide. c. chromium oxygen. b. chromium(ii) oxide. d. chromium(iii) oxide.

Which statement describes the influence of elizabeth i on england? a. her great inherited wealth made requesting funds from parliament rarely necessary, which minimized conflicts. b. her skillful use of personal advisers to communicate her wishes to parliament promoted stability. c. her clever secret diplomacy and many successful wars made her popular with the english people. d. her continuing support of english explorers in the americas brought in vast supplies of silver and gold.

What was one of the accomplishments of the space shuttle that what was one of the accomplishments the space shuttle that facilitated communication and entertainment ?