3. why did madison believe that the “spirit of party and faction” would have a negative impact on the government?

It was believed that the 'spirit of party and faction' would have a negative implication because one party may feel like the government is disregarding the right of another or the good of the whole, this was according to Madison, he further stated that the consequence of this will be creation of conflict between two parties which may further lead to conflict within the country.