Talc can be scratched with a fingernail
A key or legend is used to understand symbols, colors, and shapes on a map
Sudan is often not included as a country of the Sub-Saharan Region because a portion of the Sahara Desert is within the country. Also in terms of demographics, history, and culture Sudan is usually considered part of North Africa and the broader "Arab World."
Angola 1975-2002 (27 years)
Liberia 1998-2003 (14 years)
D.R Cong 1997-1999 (2 years)
Ethipo 1974-1991 (17 years)