The author intended to create irony by emphasizing how such a simple tree produces such a popular product.
Explanation:
Yes, the above is the likely reason why the author included the cacao tree details in his excerpt. To him, even though people tends to love the chocolate, they don't have an idea why the product is popular and from which tree is the raw material for its production is gotten. <em>To him, putting those details helps his reader to know that, the popular product is actually produced by a simple tree which is unknown but called Cacao.</em>
A neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain.
Marcus faced physical and emotional abuse. He and in his friends were in a tough situation because they were kidnapped and his friend was stabbed. Marcus was in a lot of pain which was not good for his health. The biggest problem Marcus faced was he might never see home again.