To what extent were changing economic practices responsible for the abolition of the slave trade in Britain in 1807?

The essays must answer the following question:

To what extent were changing Economic practices responsible for the abolition of the slave trade in Britain in 1807?

The essay must have primary and secondary sources, in total must have 12 sources, more secondary than primary sources as it should be based mostly on the secondary sources.

It needs to have in text citations and bibliography, in APA 7th Style.

It must have as sources the 3 articles .

It should be good to see a brief say about some important Quackers that contributed to the abolition.