In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].

[EX Q]: Richmond, Virginia (CNN) -- A historical society in Virginia, where slavery began in the American colonies in 1619, has discovered the identities of 3,200 slaves from unpublished private documents, providing new information for today's descendants in a first-of-its-kind online database, society officials say. Many of the slaves had been forgotten to the world until the Virginia Historical Society received a $100,000 grant to pore over some of its 8 million unpublished manuscripts -- letters, diaries, ledgers, books and farm documents from Virginians dating to the 1600s -- and began discovering the long-lost identities of the slaves, said society president and CEO Paul Levengood.The Virginia Historical Society finds 3,200 slaves named in private documentsThe unpublished documents are from Virginians' attics, basements and desk drawers"We sold all the negros 43 in number at astonishingly large prices," an 1858 letter saysOne user of the society's free database of slaves finds the owner of his great-great-great-grandfather 
 Question:Those _ families found the old, handwritten papers in attics, basements or desk drawers, Levengood said.
[EX A]: Virginia

[EX Q]: A Texas hunter who is paying $350,000 (£235,000) to shoot a Black Rhino in Africa has been granted permission to import the animal's carcass to the U.S. as a trophy. Corey Knowlton sparked fury among animal rights activists after bidding for the right to shoot the animal at an auction held by the Dallas Safari Club last year. After news of the auction broke Mr Knowlton received death threats and has had to hire a private security team. Trophy: Texas big game hunter Corey Knowlton has been granted permission to bring the carcass of a Black Rhino back to the U.S.Corey Knowlton won right to kill the animal at an auction last yearBut he was waiting for permission to bring the carcass back to the U.S.150,000 people signed petition demanding his request should be deniedNamibia sells small number of Rhino-hunting licences every yearMoney is used to fund anti-poaching efforts under controversial scheme 
 Question:Prior to _'s poaching boom in the 1960s, the country had around 70,000 black rhinos.
[EX A]: Namibia

[EX Q]: Police in Sweden are investigating chilling letters posted through letterboxes across the country threatening to behead people unless they convert to Islam. The notes, which are signed ISIS and carry the terrorist organisation's flag, threaten to decapitate 'non-believers' unless they become a Muslim or pay a religious tax. They have been distributed among several cities including Stockholm and warn 'the police will not save you from being murdered'. Translated, the notes said: 'In the name of Allah, the merciful, full of grace. You who are not believers will be decapitated in three days in your own house. We will bomb your rotten corpses afterwards.Threatening 'Isis notes' posted through letterboxes across SwedenSaid people would be decapitated if they didn't convert to IslamPolice and Swedish intelligence investigating credibilityFor more of the latest Islamic State news visit www.dailymail.co.uk/isis 
 Question:_ radio stations reported police were investigating the new threats and comparing them to previous warnings of violence.
[EX A]:
Sweden