According to article ii the constitution ,which body of government checks a legislative authority of congress ?

Which statement describes employment in the late 1800s

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 was the national government’s biggest concern is facing a war under the articles of confederation