The study of this is psychology and you basically just go off of your experience. But, there is not any actual way to read the mind yet discovered by our technology.
The war of 1812 fought between the Great Britain and United States. The war bounded both the countries on the basis of trade. This war created the economic opportunity for United States as war resulted in growth in factory system in United States.
The Embargo Act helped the United States to establish factories for manufacturing goods in domestic line. This act halted the competition from factories of England and France. This act helped domestic producers to sell their products as earlier they were facing competition from France and England
Minimal government involvement in the economy.
In modern America, a war of secession could be caused if some states concentrated on concepts focused on Republican or Democratic ideas. This is because, as we know, these two political aspects have very different, contrasting and adverse ideologies.
Supporters of both ideologies regularly see themselves as hostile and fail to dialogue in a coherent way, highlighting the positive points of each of them and disapproving the negative points that each has. This hostility can trigger tension, which could trigger a secession war if there was a concentration of Republicans in some states and a concentration of Democrats in others.
As we know, the south of the country has a predominance of citizens favorable to republican ideas. Although I do not believe in a possible war of secession today, we can imagine a situation where the concentration of Republicans in the south, generate hostility with the Democratic parties that trigger a second war of secession.