The statement that best describes how the crisis over Egypt's Suez Canal differed from other proxy wars in Africa is: The crisis in Egypt focused on Pan-Arabism rather than Pan-Africanism.
The Suez Crisis of 1956 was primarily related to regional issues in the Arab world, especially concerning the nationalization of the canal by Egyptian President Gamal Abdel Nasser. In contrast, many proxy wars in Africa during the Cold War were more focused on intra-continental struggles and were influenced by Pan-African ideals.