The Nigerianeconomy suffers from an ongoing supply crisis in the power sector. Despite a rapidly growing economy, some of the world's largest deposits of oil, coal, and gas, and thecountry's status as Africa's largest oil producer, power supply difficulties are frequently experienced by... The attack on some Nigerian citizens in Owo church attack recently by some terrorists groups is an indication of a threat to the economic growth and development of the Nigeria, without the people, no country’seconomy can grow. The emigration of qualified professionals has a far more damaging impact on Nigeria and sectors of the economy on a large scale. Many who are today caught up in the 'Japa' syndrome say they have lost hope in Nigeria and believe thecountry practically has no promises for them. Introduction Following the tradition of research in economics, this paper aims to address the hypothesis ontheimpactof colonialism on development in former colonies. There are significant variations in income levels, which separate developed from less developedcountries. They said what constitutes the level of agricultural output will vary with the stage of economicdevelopment of a country. For a purely subsistence economy, agricultural development will occur but not like in a fully developedeconomy. The development of the Nigerian Manufacturing sector has not been fully addressed and theimpact has not been fully felt. Manufacturing sector in Nigeria has been experiencing a stunted growth and its, contribution to gross domestic product has remained low. Since the construction of the first Niger Bridge, Nigeria’s population has grown by over 400%, and the amount of people travelling through Asaba and Onitsha has also skyrocketed. This creates a heavy flow of traffic for the travellers and residents of both cities.