Narrow-gauge railways in Africa cane. Because Africa is divided into many countries, railways built by different governments tend not to link up with each other, each country's lines connecting its outlands with its own port. Incompatible gauges are therefore not obvious. For example, a link from Nigeria to Cameroon would join to . The railways of South Africa and many other African countries, including Angola, Botswana, Congo, Ghana, Mozambique, Namibia, Nigeria, Sudan, Zambia and Zimbabwe, use gauge, sometimes referred to as Cape gauge. Kenya, Uganda and others use gauge lines. In Tanzania former East African Railways lines are metre gauge while the TAZARA line
Organized crime in Nigeria groups, operating in more than 80 countries of the world and are established on all populated continents of the world. Their most profitable activity is drug trafficking, though they are more famous for their financial fraud which costs the US alone approximately US$1 to 2 billion annually. Organized crime in Nigeria Organized crime in Nigeria may refer to a number of fraudsters, drug traffickers and racketeers of various sorts originating from Nigeria. Nigerian criminal gangs rose to prominence in the 1980s, owing much to the globalization of the world's economies and the high level of lawlessness already in the country.