John Wesley's message:
Messages by John Wesley spoke about social justice and free will which were supported by slave classes.
John Wesley was very widely remembered by the people because he was on of the most important founders of Methodism which was the way in which the followers of these followed and practiced the religion of Christianity.
There were some of the major beliefs of these like having free will of the people where there will be no oppression by any authority or there should be social justice among the members of the society because of which these were liked by the lower classes of the society also because they were given equal status.