Answer:
Greatest generation, is the right answer.
Step-by-step explanation:
The Greatest Generation is a term used to define those Americans who grew up throughout the Great Depression and served in the Second World War II. Tom Brokaw coined the term "the Greatest Generation". The people of this generation is also recognized as the "WWII Generation" or the "G.I. Generation". The people of this generation are believed to be the progenitor of the Baby Boomer generation.