What are some of the states located in the west region of the US

At the beginning of the war, why was hitler allowed to continue his aggression without resistance from other european countries

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.

How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?