How did the civil war affect the economics of the north and south?

The Civil War greatly improved the economy of the North but harmed the economy of the South.

The Civil War disrupted the Southern economy badly.  First of all, it freed the slaves, thus removing the bulk of the Southern work force and forcing the South to readjust its economy.  Second, it devastated much of the South's infrastructure.  Destruction of things like railroad tracks caused short-term damage to the South's economy.

Meanwhile, the Northern economy was helped by the war.  It experienced a railroad boom as railroads were built with federal government support.  This was the most important change in the Northern economy as it led to westward expansion and to a much better transportation grid for the North's economy

each played a major role in ending the cold war.

the first historical instance of china engaging in internationalism was during the han dynasty.[1] at the start of the han dynasty, the huns in the north were attacking the frontiers of han and trying to obtain riches. emperor wu of han wanted to gain an alliance with a country called dayuezhi so the two countries could join together and fight against the huns.[2] to obtain this alliance, emperor wu sent zhang qian to the west to establish economic and cultural connections.[2] history records that during the han dynasty there were four primary avenues of contact between china and europe. they included the northern land route, the central land route, the southern sea route, and the far southern sea route.[1] the most famous of these routes is the central land route, or the classical silk road, comprising a network of roads stretching from northwest china to the ports of syria and the black sea, which passed through the oasis of the turkestans and northern persia.[1] the silk road was significant for chinese emperors because it provided dominance over central asia by developing resources and provided new markets for the export of china's most valuable resources.[1]