Which of the following ideological groups was in existence before the formation of the Organization of African Unity (OAU)?

A. Cassablanca, Lagos Monrovia group
B. Brazzaviile, Lome Accra group
C. Cassablanca, Brazzaviile, Conakry group
D. Cassablanca, Brazzaviile, Monrovia group

Correct Answer: Option D

D. Cassablanca, Brazzaviile, Monrovia group