The Punic Wars were a series of three wars between 264 and 146 BC fought by the states of Rome and Carthage. ... By the terms of the peace treaty Carthage paid large reparations and Sicily was annexed as a Roman province.
Sectionalism is loyalty to one's own region or section of the country, rather than to the country as a whole.
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
