How did the authoritarian and dictatorial regimes that gained power in the years after world war 1 acquire and maintain their power

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.

What emperor was given credit for having the aqueducts built

In the united states who was to declare war