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.
âTheir calculations put Nigeriaâs population at 110.1 million in 2000, compared to a UN estimate for that year of 123.7 million.â In a report, the organisation estimated that Nigeriaâs population in 2006 was just over 134 million; below the 140 million reported in the census.