Complex sentence: Charles Haughey, the Fianna Fáil leader, called the general election for another reason; opinion polls had shown that the party's strong performance in government had increased their popularity and an overall majority for Fianna Fáil could be a possibility.
Split into simpler sentences: Charles Haughey, the Fianna Fáil leader, called the general election for another reason. Opinion polls had shown that the party's strong performance in government had increased their popularity and an overall majority for Fianna Fáil could be a possibility.