Final answer:
Lake Volta provides irrigation for dry farmlands in the Accra Plains of Ghana, which is the correct answer (A) to the question about the West African country benefiting from the lake.
Step-by-step explanation:
Lake Volta is a critical source of irrigation for dry farmlands in the Accra Plains. It plays an important role in supporting agriculture in the surrounding regions. Accra is the capital city of the West African country of Ghana, which is the correct answer to the question.
Ghana's agricultural history is rich and interconnected with its complex socio-economic development, influenced by trade routes for ivory, gold, and grain, and the political systems of historical empires in the region such as the Asante Empire and the earlier empire of Ghana. Today, Lake Volta's significance continues, contributing to the livelihoods of many and the economic stability of the country.