Things seemed to settle down until some clown invented television and the inhabitants of sleepy little United States towns had their minds blown by the realization that people who lived in other places were different! Well, actually it was just change, which was bad enough to these folk.
That has led to cheap radioisotopes that have contributed to research in science and industry in a hundred fruitful directions; to nuclear power stations that may be of tremendous use to mankind, and so on.
But things really shifted into high gear with the Industrial Revolution.
Technology started industrializing the United States around 1790, changing it from an agricultural society into a manufacturing society.
The point is, if you the science fiction writer postulate lots of technological advances in your novels, you must at least pay lip service to the sad fact that it will make a sizable segment of your society very angry.
On the other tentacle, progressives will find things bewildering as well.
Jerry Pournelle predicted that in the far future people could use something like an internet to find answers to their questions, but failed to predict that people would be angry if the answer took longer than three seconds to appear (drat that Google is slow today).