“world war ii reshaped ideas about american nationality.” assess the validity of this statement by comparing the experiences of first-generation immigrants, second-generation immigrants, and blacks during world war ii.

The second World War greatly reshaped ideas about national identity in America, especially for first-generation immigrants, second-generation immigrants, and African-Americans.  During the war - and in the midst of the war effort - immigrants and African-Americans were welcomed into the armed services and, also, in areas of production where support was needed.  Many Americans, during this time, were able to somewhat relax or surrender their prejudices.  Also, for immigrants and African-Americans, they often felt they were part of American industry and service for the first time.  

Answer is mass marketing.