In what ways was mining dangerous in the industrial revolution?

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.

Nationalsim led to major conflicts following world war1 especially when

Which of the following cultures were among the earliest known inhabitants of north america? a) mayab) incac) anasazi d) olmec