I'm not 100% certain, but I'm fairly sure that it's because "<span>They realized that people from Africa were more resistant to disease than Europeans were."</span>
destruction of the ottoman empire and losses of all the land but anatolia
In the south. Landowners owned the land, but they needed the labor.
This is before mechanised farming with tractors.
<span> At first ji-li was against her father and told him that she really wants to go however her father wont let her anyways so she decided just to drop it </span>