The choices are
The Belgian Congo was ready to revolt
South Africa was divided into East and west
Liberia, Egypt, and Libya had already won independence
Ethiopia was on the verge of civil war

The African Independence Movements took place in the 20th century, when a wave of struggles for independence in European-ruled African territories were witnessed. ... Namibia (former South West Africa) – against South Africa, see Namibian War of Independence and South African Border War.

south africa was dvivid into east and west

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)