Without political parties electors would have to evaluate every individual candidate in every single election they are eligible to vote instead parties enable electors to make judgments about a few groups instead of a much larger numbers of individuals
Majority rule is a way of organizing government where citizens freely make political decisions through voting for representatives. ... Minority rights are rights that are guaranteed to everyone, even if they are not a part of the majority. These rights cannot be de eliminated by a majority vote.
I believe that the answer to the question provided above is that the westward expansion created a clash between sectional interests in Missouri because of the geographical location of Missouri it was being clashed.Hope my answer would be a great help for you.