During the 1800s, the economy of the united states was considered small and still developing, largely agricultural. This provoked the capitalist to begin working through the Laizes Faire method in the attempt to alleviate the status of the economy. The answer would have to be capitalism.
By boosting their economy, america was able to thrive after the war unlike germany which went into debt after the treaty of versailles
Not very well, there was a huge economic crisis and they were unable to stop the depression.
It was the americans who won this battle. hope this helps you