Complex sentence: Asterix confronts Whosemoralsarelastix with the onion soup-smelling money having guessed that Whosemoralsarelastix stole back his own money, paid his taxes to the Romans to retain their favor, and then used Asterix to get his money back.
Split into simpler sentences: Asterix confronts Whosemoralsarelastix with the onion soup-smelling money. He has guessed that Whosemoralsarelastix stole back his own money, paid his taxes to the Romans to retain their favor, and then used Asterix to get his money back.