Cuba is now the world's 10th-largest producer of yams. This is best explained by

(1 point)
• the fact that Latin America is the agricultural hearth for yams.
• Cuba's early role in developing high-yield yams.
• the early free trade agreements Cuba negotiated with the United States.
• the strong relationship between communist Cuba and Russia.
• diffusion from Africa during the Columbian Exchange.

1 answer

diffusion from Africa during the Columbian Exchange.