 It was this essay which influenced Beilby Porteus, Bishop of Chester and later Bishop of London, in his campaign to improve the conditions of slaves held by the Society for the Propagation of the Gospel in Foreign Parts, as well as bringing to public notice the debate about the slave trade.He contributed several further publications to the campaign, including "An Inquiry into the Effects of Putting a Stop to the African Slave Trade", published 1784.Ramsay became part of the group of influential politicians, philanthropists and churchmen based at Teston, and was persuaded by Lady Middleton, the wife of Charles Middleton and others to publish his account of the horrors of the slave trade.