Engineers, who were the leaders of the Underground Railroad, helped slaves who were running away by providing them with food, shelter, and sometimes jobs. They hid the slaves from people who were trying to catch them and return them to slavery.
The GDP per Capita, in Nigeria, when adjusted by Purchasing Power Parity is equivalent to 32 percent of the world's average.
1.111 billion people (2013) live in Africa. Algeria is the largest country (by area) in Africa; and Nigeria is the largest country by population. In early 2014 Nigeria surpassed South Africa as Africaâs largest economy.Here is a brief overview of the largest economies in Africa as of 2015:.111 billion people (2013) live in Africa. Algeria is the largest country (by area) in Africa; and Nigeria is the largest country by population. In early 2014 Nigeria surpassed South Africa as Africaâs largest economy. Here is a brief overview of the largest economies in Africa as of 2015: