What does the statement “the united states was born on the farm and moved to the city” mean?

the best guess that I could come up with is that the U.S. was once a more agricultural society and then around the mid 19th century, transformed into an industrial society

richard nixon led the investigation that resulted in alger hiss being convicted of prejury.

i think the answer is : the declaration of rights and grievances

hope i

-lavira : )