Final answer:
The true statement is that any rum may legally be blended with any other rum, allowing for the creation of diverse flavor profiles through blending rums from various sources and aging processes.
Step-by-step explanation:
The student's question regarding the blending of rum pertains to the regulations and practices within the rum industry. The correct statement among the options provided is that any rum may legally be blended with any other rum. This means that rums produced from different types of stills, like column and pot stills, can be blended together. Additionally, it is common in the rum industry to blend rums from different countries to create a final product with a specific flavor profile. Also, rum can indeed achieve color through wood aging, as the aging process in barrels contributes to both the color and flavor of the rum over time.