What has been the impact of declining harvests and years of drought on african subsistence farmers?

Africans are prone to drought because of their climate condition. Plants do not yield as planned because of poorly nourished soil.  A big part of African land regularly experiences drought. Poverty and unemployment are also a few of the primary impacts in the country and the lack of food to supply the people of Africa is one concern they have to face. 

Answer carbon dioxide ice;