Introduction
Since the end of World War Two (WW2), the world has attained high achievements in terms of economic, political, social, and cultural development. During the World War 1 and 2, many nations took part in the war and were unable to exploit their natural resources, generate adequate income through economic activities, and establish industries. The period was characterized with political unrest, military invasion, outbreak of contagious and non-communicable diseases, hunger and famine; aspects, which lowered productivity and economic development in the world. However, the end of WW2 marked a turning point in the world’s history as it provided a favorable ...