From the 1830s on, pioneers hoping to settle on America's western coast O avoided the Cumberland Gap.
O made their way along the Oregon Trail.
followed the trail blazed by Zebulon Pike.
O traveled along the Mississippi River.

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.