How do the details in this passage support the authors’ purpose?

The authors include details about how much sugar Americans consume to persuade readers that modern diets are unhealthy.
The authors include details about the changes in diets over time to inform readers about how sugar has transformed what we eat.
The authors include details about how much sugar people have eaten over time to entertain readers with surprising statistics.
The authors include details about American and British diets to persuade readers that eating habits now are healthier than they were in the past