The factors which contributed to the rise of nationalism in the 1810s were the general zeitgeist of the people who considered that the ethnic groups of Europe should live in their own countries and not in huge empires where their particular ethnic group wasn't represented. Another thing was that with the advent of the industralist revolution, there were more and more people coming from low-paying countries to take over the jobs of people from certain countries - which increased nationalism.
The main reason is that the North wasn't as agricultural so they didn't need slaves working the fields they where more mercantilist ( an economic system used to boost the nation's wealth using trade.)
A precedent is a principle or
rule in court wherein a previous legal case is used to decide on subsequent
cases with similar issues or facts. This is called stare decisis, a principle
wherein judges use precedents for their decision.
