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
Ghana–Nigeria relations to Ghana after Ghana became the first independent country in the region in 1957. Also in the late 70s many Ghanaians moved to Nigeria as economic migrants. The relationship became sour for various reasons. Thus, under former Ghanaian president Busia's Aliens Compliance Order, Nigerians among other immigrants were forced to leave Ghana as they made up a significant percentage of Ghana's large undocumented population. The official reason for deportation was failing to comply with the immigration laws of the country. In 1983, Nigeria retaliated and deported up to 1 million Ghanaian and other African immigrants when Ghana was facing severe