What is the American Dream, and has it become harder to achieve in recent years?

Few ideas are as central to the nation’s identity as that of the American Dream. With the 250th birthday of the United States ...
insider.si.edu

Behold, America : the entangled history of "America first" and "the American dream" / Sarah Churchwell

Introduction -- Prologue : First, America first -- Part one. 1900-1920. The American dream 1900-1916 : the spirit of American dreams -- America first 1900-1916 : pure Americanism against the universe ...