The correct answer is: A. 23 August
International Day for the Remembrance of the Slave Trade and its Abolition is observed on 23 August each year. This day was designated by the United Nations General Assembly in 2007 to commemorate the date in 1791 when the Haitian Revolution began, which led to the abolition of slavery in Haiti. The day is also an opportunity to raise awareness of the continued existence of slavery and human trafficking in the world today.
Option B, 12 August, is the date of the International Day of the World’s Indigenous Peoples. This day was designated by the United Nations General Assembly in 1994 to promote the rights of indigenous peoples around the world.
Option C, 8 March, is International Women’s Day. This day was designated by the United Nations General Assembly in 1975 to celebrate the achievements of women and to promote gender equality.
Option D, 14 November, is World Diabetes Day. This day was designated by the International Diabetes Federation in 1991 to raise awareness of diabetes and its complications.