The correct answer is: a. African socialism was not identical to socialist economic systems in the U.S.S.R. and Eastern Europe.
Senghor's statement implies that the nature of tribal community life in Africa fosters a distinct form of socialism that differs from the more centralized and class-struggle-oriented models found in the U.S.S.R. and Eastern European countries. It highlights the communal aspects of social life in Africa, suggesting that the experience and context of African societies create a unique approach to socialism that does not rely on class struggle, as seen in other socialist frameworks.