Answer:
The central idea is to show how the foods offered in American supermarkets are very convenient, but unhealthy and attractive.
Explanation:
According to the article, we can see that as we age and understand more about healthy foods, the foods offered by supermarkets become less interesting. That's because, as adults, we look for the ease and practicality of frozen, extremely processed foods, fast food, among others. These foods do not propose a safe diet and can be very harmful, however, when an individual opts for healthier foods, he finds it difficult to find them in supermarkets.
 
        
             
        
        
        
When using if and can't they both have the similar "self doubt" aspect in them. Like "If I can do it..." and "I can"t do it." Both of these statements are basically questioning their self worth.
 
        
             
        
        
        
Answer:
This is expressing the material wealth and excess of the 1920s. 
Explanation:
At the time after the war, stock markets were high and people began to experience more national wealth and extravagance, a huge difference when compared to the previous years, which encompassed WWI. This shows how things were so extravagant on the outside, but it almost foreshadows the period of depression and excessively impoverished time to come in the following years. 
I hope this helps! Have a nice day :)
 
        
             
        
        
        
The answer is drew and i know because i know