Final answer:
The most supported sentence by the article's second image is 'The United States is a melting pot of cultures,' tying in with the cultural melting pot and American Dream concepts.
Step-by-step explanation:
The sentence from the article that is best supported by the article’s second image titled "Celebrating All American’s" is likely A. The United States is a melting pot of cultures. This imagery and the concept of the cultural melting pot commonly illustrate how diverse groups have assimilated and contributed to American society, blending their distinct backgrounds into a unified culture. Through this process, immigrants have learned English, integrated into American society, and the country has thus been viewed as a melting pot where various cultures have merged into a single national identity. Understanding the American Dream, with its promise of opportunity and the idea that hard work can lead to success, has been a unifying aspiration for many who have come to the United States seeking a better life.