The silk road enabled these two ancient empires to greatly prosper.

China and the Roman Empire

Explanation:

The Silk Road was built by the Han Dynasty, which ruled China from 206 BC to 220 AD. It was located in a strategic place, all major roads converged there allowing the trade with different regions. The maritime silk route made it possible to the Han dinasty to trade with the Roman empire which were great consumers of their products.

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.