Astrong leader was the origin of the state

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.

Plz the 10 places that charles darwin stopped at to report his findings, and include dates?

What was the effect of the industrial revolution on the working class ?