The answer to your question is Political Leadership or Age Demographic.
<span>It is taken from you as cash and then its spread out and transfers to elderly and disabled people.</span>
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I can think of one advantage: if this party wins, it will have a majority in the parliament and senate, so it will be have more power and would not have to negotiate every voting with the other party in the coalition.
In a multiple party when coalitions , the smaller party in the coalition usually gets proportionately much more power because it can "blackmail" the bigger partner; this often stalls the voting process.
