The main items traded were gold and salt. The gold mines of West Africa provided great wealth to West African Empires such as Ghana and Mali. Other items that were commonly traded included ivory, kola nuts, cloth, slaves, metal goods, and beads.
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The correct answer is C. It is the only one that makes the most sense
Answer:
b. expanding free trade agreements
Answer:
health problems (heart disease, lung cancer, and respiratory diseases such as emphysema)
kills plants and animals
poisons soils and waterways
global warming
climate change
acid rain
smog effect
