Transportation infrastructure is indispensable for the diversification of an economy. This paper investigates the empirical link between transportation infrastructure and diversification of the Nigerian economy. Descriptive demonstrations are adopted to provide a situational focus to the study,...

The Inca Empire was the last of a long series of highly developed cultures in pre-colonial South America. It stretched across parts of the current territories of Argentina, Bolivia, Chile, Colombia, Ecuador and the whole of Peru. The Inca Road was its 30,000-kilometer-long transportation system....