Cuba is one of the world's leading producers of sugarcane. Consequently, sugar is its main export. Why is this potential problem?

AMany other countries in Latin America, such as Brazil, are also top global producers of sugarcane.
BA sudden drop in sugar prices or in production caused by a natural disaster could cripple Cuba's economy.
CMany Latin American countries have unstable governments and economies.
DWorld sugar consumption is expected to drop sharply in a few years, as people become more health-conscious.