Which best describes the role of constantinople in the byzantine empire?

constantinople was a main trading center.
constantinople was a secondary trading center.
constantinople was a greek trading center.
constantinople was a roman trading center.

Constantinople was a main trading center.

Constantinople sat between Europe and Asia making it geographically perfect to become a trading center.

Constantinople became a city of wealth and the center of Byzantine trade. Due to its prime location, the city was a target of military siege in particular by the Ottoman Empire. Eventually the city was taken by the Ottoman Empire and was changed in name to Istanbul.

Constantinople was a Roman trading center.

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]

he armenian genocide, also known as the armenian holocaust, was the ottoman government's systematic extermination of 1.5 million armenians, mostly citizens within the ottoman empire.

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