Contemporary Political Reforms in a Multi Party Democracy

 In a multi party republic, where all public positions are elected through the full use of ranked choice voting with secret ballots, using the form of proportional representation by single transferable vote for multi member position as in a Congress, instant runoff voting for governors among others, legislation is still passed by the same institutions, through majority votes in the Congress in each House, and with the signature of the President or their veto, and the possible override by a 2/3 supermajority in each House, and states have their own version (a few states have weak vetoes though, but may be supplemented through line item vetoes). But the increase in the factions and the decentralization of authority in the congress and the probability of a single party being unable to acquire enough votes to block a veto override has major implications for the process of legislation. So, what important things change? A major thing to add is that parties become split in an important manner