American isolationist sentiment actually began immediately following the Revolutionary War and then increased drastically after WWI, when many American troops died for a war overseas.
Run from all pretty good here but it’s ok but I
Answer:
to prevent future French aggression
Explanation:
If you are talking about them trying to expand in to present-day Canada, then it brought renewed conflict with Britain (war of 1812)
if it is towards the west, i guess it hampered technological development, because most people were moving west through the trails, instead of staying to help build up the economy
hope this helps