What defense barrier was built by the qin emperor using conscripted labor?

Discuss the ways in which the northern and southern economies and social customs differed in the decade prior to the civil war. why are they characterized as having “two distinct societies”?

Congress could only request money and had no power to tax; each state made its own money; there was no national court system. which one of these weaknesses do you believe was the most important to correct?

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.