Maryland was the thirteenth and final state to approve the Articles of Confederation, three years after the deadline Congress had set.
Answer:
I'm not sure about it but I think it's c.
Chinese Rebels overthrew the Mongols
In the years following the Civil War, railroads were privately owned and ... support of both major political parties and pressure groups from all regions of the country ... Labor unions formed or organizations that promoted the interests of workers ... In a monopoly, there is no competition and the seller can increase the price of ...
