After the decline of the slave trade from Senegal in the 1770s and 1780s, the town became an important port for the shipment of peanuts, peanut oil, gum arabic, ivory, and other products of the "legitimate" trade. It was probably in relation to this trade that the so-called was built. As discussed by historian Ana Lucia Araujo, the building started gaining reputation as a slave depot mainly because of the work of its curator , who was able to move the audiences who visited the house with his performance. Many public personalities visit the House of Slaves, which plays the role of a site of memory of slavery. In June 2013, President of the United States Barack Obama visited the House of Slaves.