Which played a significant role in the success of west african civilizations? a.) the hajj b.) the gold-for-salt trade c.) the development of agriculture d.) firearms

because people what other people gold

explanation:

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.