The textbook opens the chapter on economic growth with some information about the number of calories that people consumed in the past, and I also talked about calories and food in my lecture video. What's the connection between food and economic growth? a. A balanced and healthy diet is an important goal of economic growth. b. Before modern economic growth, everyone went hungry all the time. c. Obesity is a widespread modern problem that did not exist in pre-modern times. Looking at past calorie consumption can show us that people were healthier. d. Living standards in pre-modern times can be measured by calorie consumption. The more calories people ate, the better-off they were