Final answer:
The song "Amazing Grace" and the Middle Passage and Triangle Trade are historically connected as "Amazing Grace" was written by a former slave trader who became an abolitionist, and the Middle Passage was part of the slave trade network that the song indirectly comments on.
Step-by-step explanation:
The song "Amazing Grace" and the Middle Passage and Triangle Trade have a historical connection as their commonality. "Amazing Grace" was written by John Newton who was a former slave trader and later a supporter of the abolitionist movement, and the song has been interpreted as expressing regret for his past actions in the slave trade. The Middle Passage, on the other hand, refers to the brutal transatlantic journey that enslaved Africans were forced to endure to the Americas, which was the middle leg of the Triangle Trade network involving the exchange of enslaved people, raw materials, and manufactured goods between Africa, the Americas, and Europe. These subjects are historically intertwined, as the human suffering of the Middle Passage and the transatlantic slave trade influenced the abolitionist sentiments expressed in hymns like "Amazing Grace".