What was life like in the Mongol Empire??

Who gave one of the earliest accounts of the topography and tribes of the great plains?

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 new concept did the the american revolution introduce into the world