Among the options provided, cannabis is often considered a potential alternative crop that Latin American farmers could grow for profit, especially in regions where legalization has occurred or is being considered. Cannabis can be profitable due to its various uses, including medicinal, recreational, and industrial applications.
However, it's important to note that the viability and legality of growing cannabis vary by country and region, so farmers would need to consider local laws and market demand.
Coffee is already a significant cash crop in many Latin American countries, while coca and poppy are often associated with illegal drug production and have negative social and legal implications.