How did the inventions of the late 1800's improve business practices?

What effect did ww11 have on empires that had been created by european nations

Which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nation’s oil refineries. standard oil was a single business that operated in a small region. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states.

Can someone me write a paragraph on this topic i feel confused