Final answer:
To add structure to the displayed food, Henry's team can organize the food by color, create a buffet-style arrangement, and use decorative platters and trays.
Step-by-step explanation:
To add structure to the displayed food at the high school reunion party, Henry's team can use several strategies. One way is by organizing the food by color, which can create an appealing visual arrangement. Another option is to create a buffet-style arrangement where the food items are presented in an organized and accessible manner. Additionally, Henry's team can use decorative platters and trays to add structure and elevate the overall presentation of the displayed food.