How did the Silk Road affect the spread of trade and the exchange of culture across the Eurasian Continent?

The trade routes known collectively as the Silk Road not only allowed merchants throughout Asia and Europe to exchange goods — such as Chinese silk, Byzantine gold, and Indian spices – but they also introduced people in disparate parts of the continent to new beliefs, systems of government, literary genres, musical

the correct answer is d

your answer will be b. improving roads, bridges, and other infrastructure. hope i !