What did west africans trade gold for

he slaves and other exports had to be purchased, and in exchange Africans received supplies of other goods—cloth, metals, tools, knives and other hardware, guns and ammunition, beads and small manufactures, tobacco and spirits

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.