the quick-service restaurant segment grew quickly.

### After World War II

## Step1: Identify the Time Period### The question refers to the growth of the quick-service restaurant segment. To determine when this growth occurred, we need to identify the historical context.## Step2: Recognize Post-World War II Economic Trends### After World War II, there was a significant economic expansion and changes in consumer behavior, which led to the rise of fast-food restaurants.## Step3: Correlate Economic Trends with Restaurant Growth### The quick-service restaurant segment aligns with the economic and social changes post-World War II, indicating that the growth happened during this period.