What was Clive Palmer's previous political experience and investment?

Clive Palmer, an Australian billionaire with a fortune estimated at $2.1 billion, previously led the United Australia Party. During his political career, Palmer invested heavily in his political ambitions, spending nearly $100 million on campaign efforts. Despite this substantial financial investment, Palmer's political success was limited, with his party winning just one Senate seat. This indicates the challenges he faced in translating his personal wealth into political influence in the Australian parliamentary system.