How did the American war improve the nations finance system

So go ahead and put this in your own words, hope it helps :)

Explanation:

The American War positively impacts the U.S. economy, it created more jobs for the American people and spending more money at wartime is not necessarily a bad idea because it creates advancements in technology.

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.

4 copper and gold, the california gold rush is why im pretty sure.