Correct option is B
The chronological order of the cases is:
1. Voting Procedure on Questions Relating to Reports and Petitions Concerning the Territory of South-West Africa (1950)
2. Legal Consequences of the Continued Presence of South Africa in Namibia (1971)
3. Fisheries Jurisdiction (United Kingdom v/s Iceland) (1974)
4. Western Sahara Case (Advisory Opinion) (1975)
5. Texaco Overseas Petroleum Co. v/s Govt. of the Libyan Arab Republic (1977) Thus, the correct sequence is (E), (A), (C), (D), (B).