From 1860 to 1895, the United States experienced advances in technology, the industrial revolution and the Mexican-American war.
It can't be the Spanish American war because that didn't happen until some years later. It can't be an agrarian revolution because this is during the INDUSTRIAL Revolution and education at the time wasn't prioritized as much as it is today.
<span>It could be the Policy of Appeasement where you aggressive
nations what they want to avoid conflict.
The best example of this was during Germany’s conquest of Europe. In the hopes to prevent a war, Britain and
France had allowed the Germans to take Sudentenland from Czechoslovakia. Despite acquiring Czech territory the Germans
continued with their campaign which led to World War II.</span>