Which are problems faced by the newly independent nations of Africa?

The newly independent African countries were faced with different challenges like political instability, collapsing of economies and lack of resources.

Explanation:

The Newly African countries did not have enough resources to grow their economy and the help they received was very limited. Due to lack of resources their economy ended up being destroyed which affected a lot of people. They also had political instability which affected the countries politics which led to some of the negative effects like corruption .

the answer is a, salt plain

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)