Oil exploration in Nigeria accounts for a significant share of West Africa's total production. Where are Nigeria's largest reserves located? a. Lake Chad Basin b. Jos Plateau c. Sokoto Basin d. Niger Delta Basin

The Volta Lake in Ghana is the world's largest artificial reservoir. What is its primary purpose? a. Creating a protected wildlife sanctuary for aquatic species b. Facilitating cross-border water trade with Togo and Benin c. \( \begin{array}{l}\text { Providing water for industrial use in } \\ \text { Accra }\end{array} \) d. \( \begin{array}{l}\text { Generating electricity and supporting } \\ \text { inland transportation }\end{array} \)

West Africa's colonial history has influenced its political systems. What was one major effect of colonial rule on national unity? a. The equal distribution of resources among different ethnic groups b. The development of democratic governance across all colonies c. The artificial creation of multi-ethnic states with conflicting interests d. The widespread adoption of indigenous legal systems

The West African gas pipeline is a critical energy project. Which country is the prima supplier of gas for the pipeline? a. Ghana b. Benin c. Nigeria d. Togo

The West African gas pipeline project delivers natural gas to several countries. What is one of its key benefits? a. Exporting gas to Europe through Mauritania's offshore fields b. Reduction of gas flaring in Nigeria and electricity generation in member states c. Providing subsidized natural gas to all ECOWAS countries d. Replacing oil imports with domestic gas in Burkina Faso

The Mano River Union (MRU) was established to promote economic cooperation in West Africa. What is one significant challenge faced by the MRU in achieving its objectives? a. Lack of access to international financial institutions for funding b. Overdependence on agricultural exports for trade revenue c. \( \begin{array}{l}\text { Competition with ECOWAS for } \\ \text { regional trade dominance }\end{array} \) d. Political instability and civil wars in member states like Liberia and Sierra Leone