Europeans started to enslave Africans.
They started to use slaves instead of indentured servants, because the investment was better. Indentured servants only served for a few years, and then were granted freedom, while slaves were purchased and used for their entire lives. The investment of a slave was better than an indentured servant.
Answer:
The trans-Saharan trade was an important gateway for the spread of Islam in Africa. The legacy of the medieval empires and nineteenth century reform movements continues to have relevance in present day Senegal, Gambia, Mali, Nigeria, Burkina Faso, Nigeria, as well as many neighboring communities. 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.
The answer to this question is Puerto Rico.
<span>Spain lost many of its colonies and retained Florida, Cuba,
and Puerto Rico that made the Spanish empire the largest empire in the world.
Spain established these colonies to make most of the countries to be converted
to the religion of Christianity and to conquest and to extract gold.</span>
