Explanation

• The headquarters of Anti-Slavery International, the world's oldest human rights organization, is located in London.
• It works to eliminate all forms of slavery and human trafficking globally.
• Its roots stretch back to 1787 when the first abolitionist society was formed.
• The British and Foreign Anti-Slavery Society (BFASS) was officially created on 17 April 1839 to crusade against slavery and the slave trade throughout the world.