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.
<span>d. annex Sweden near the Baltic Sea. </span>
It's (D), Colonists had to struggle to grow enough food to meet their needs.
Generally speaking, for a development such as this to be considered a civilization, there must be some form of government, which regulates to a certain extent the lives of the citizens.
Britain
The legal tradition came from Britain