Portuguese. In 1441, two Captains of Portuguese ships, names unknown, took 12 slaves from Africa and brought them back to Portugal as slaves
It could be Nigeria, Chad, Central African Republic, Congo, Gabon, or Guinea
This would be located in industrialized places usually in the north. Larger more populated cities would most likely produce more industrial goods than smaller less populated ones. <span />
The correct answer to fill in the blank would be ''Asia''.