According to the advertisement, why should immigrants learn the "American language "?

According to the advertisement, immigrants should learn the American language to become like American citizen.

Explanation:

In the advertisement it has been told to the immigrants to learn the American language so that the immigrants into the United States of America can become like the American citizens.

In the advertisement, a man who is an american has been shown and another boy who has just come to America has been shown and a comparison has been done between the both. It has been shown that the men who are American look good and dress good. To be like American men, the immigrants should also learn the american language.