It has been well documented, both in Heritage Foundation studies and in the scholarly literature of the past several years, that the Progressive Movement of the early 20th century had profound effects on American national government<span> The Progressives impatience with the Constitution, their antipathy for checks on government, and their longing to delegate power to administrative experts all have had a lasting impact on today’s politics, as Progressivism has gradually been carried forward in successive liberal waves throughout the 20th and now 21st centuries.</span>
Expectations of customers, changes and shifts in consumer behavior, use of technology in customer service transactions that used to be done face-to-face
(Less manufacturing, less production, more service delivery)
That's A, President Franklin D. Roosevelt. The topic you're asking about is extremely important. I would delve into a bit more research. I can't remember why FDR but I did the test a while back and got an A.