What is the source of the ‘mind-body problem’? Is Descartes able to successfully respond to this problem?

Early modern philosophy

Answer ONE of the following questions:What does Descartes’ use of methodological doubt accomplish? Assess his arguments in favour of it.
What is the problem of the reality of the external, material world? Assess the responses of Descartes, Locke and Berkeley to the problem.
What are primary and secondary qualities and what are the metaphysical implications of the distinction between them?
What does Berkeley mean when he says ‘to be is to be perceived’? Are his arguments for this view convincing?
What is the source of the ‘mind-body problem’? Is Descartes able to successfully respond to this problem?
Does Reid present a convincing response to Hume on miracles?
Is Leibniz’s philosophy a compelling response to the problem of mind-body interaction?