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.
1990 - 2014. USD. Yearly. The GDP per capita PPP is obtained by dividing the countryâs gross domestic product, adjusted by purchasing power parity, by the total population. This page provides-Nigeria GDP per capita PPP-actual values, historical data, forecast, chart, statistics, economic calendar and news.