How did World War 1 affect American History?

Answer 1

It forced Europe to sit up and look at America as something other than the "New Kid on the Block".
Up till then they considered the US as an upstart, backwards country that had no "history".
As if the history of Europe was something to be proud of.
They fought numerous wars and still could not find peace amongst themselves.
It brought America to the point of realizing the need to make major increases in production of materials to field a large military so as to be more secure.
It killed a lot of people. In addition to the war, a flu ravaged thousands of troops and civilians on the east coast, I believe it was called Spanish flu. Who knows what accomplishments those people might have made had they lived out their full lives.
America began to see itself as a world power and so did Europe. I fear that has caused some resentment ever since. The Europeans felt they were a better class than the US but they needed our help to settle their squabbles and that hurt their pride. Still does.
The unfair conditions established at the close of the war set the stage for WWII because the Germans were forced to pay horrendous reparations and that made their lives so miserable they were willing to listen to the first maniac to give them some kind of hope.
Enter Hitler and his Nazi regime.
If the countries had been more fair in their "punishment" of Germany, Hitler would have been dismissed as a lunatic radical.

Many machines were developed to speed up production. That would set the stage for the rapid increase in the economy.

Answer 2

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RE:
How did World War 1 affect American History?

Answer 3

It swept away any remaining doubt that the United States was and would be a world power on the world stage. It probably dealt the last blow to what, if anything, was left of our agrarian, rural society and hastened the transformation into a society based on industries and cities. Keep in mind that the war also presented one of if not the first widespread use of the airplane and probably provided many people their first sight of one in the air. It could be argued that without the exploits of the WW1 aces the bombing of Pearl Harbor and therefore the Bombing of Hiroshima and for all we know, the moon landing might not have occurred or been severely affected. Probably most significant of all without World War 1, the conditions that brought about World War 2 which had much more of an impact on the United States and just about everyone else would have been altered.

Answer 4

It totally brought us into the world scene. We had never sent troops to Europe before you know.