Nigeria is a federal republic modeled after the United States, with executive power exercised by the president. The government of Nigeria is also influenced by the Westminster System model in the composition and management of the upper and lower houses of a bicameral legislature.
Palm wine (fermented from sap of palm tree, its alcohol content can reach up to 12%, and in some areas it's spiked with other types of alcohol. If you decide to try it, buy it from a producer that you trust).
Lagos, Abuja and other major cities have a big selection of restaurants, serving everything from traditional Nigerian dishes to French baguettes, excellent sushi and good hamburgers. In short, European, North American and Asian tastes are well catered for, and you'll also find a range of different cuisines from across the African continent.