There was widespread civil war and political instability in Nigeria and the rest of Africa in the 60s and 70s as well as conflict between different ethnic groups and religions
The physical geography of Nigeria has influenced its development, with urbanization impacting development and GDP being higher in the south due to higher rainfall and greater resources, while the north experiences drought and desertification
Nigeria's main source of income was from the export of primary products such as cocoa beans, timber, palm oil, nuts and cotton, but the discovery of oil in the 1950s led to rapid change to their economy
Shell Oil, also known as Royal Dutch Shell, is another Anglo-Dutch company that discovered oil in the Niger Delta in 1958, and its presence in extracting the oil has always been controversial
Shell provides a major contribution to taxes and export revenue, as well as providing thousands of direct and indirect employment, with 91% of outsourcing contracts going to Nigerian companies
Industrial growth and urbanization in Nigeria have negatively impacted the environment through waste disposal, clearing of forests, and pollution from the mining and oil industries
Nigeria's economic development has led to an improvement in the quality of life, as measured by increased life expectancy, reduced mortality rate, improved access to clean water, and increased education enrollment and mobile phone subscriptions