Nigeria has a mixed/command economy. which resource does the government of nigeria keep under their control?

In a mixed economy, both government and private companies trade in goods and services. The government operates in sectors that are considered strategic, such as the exploitation of a country's natural wealth, while private firms operate in other activities. As a highly oil-rich country, a highly profitable natural resource, the government of Nigeria operates through state-owned companies in the exploration and marketing of oil, as well as in other sectors such as mineral exploration.

answer; posthypnotic;