Complex sentence: McLaughlin had taken over the NDP at its height but for many reasons, the party began a steady decline in the polls and in the 1993 election the NDP lost badly and was left with only nine seats in parliament.
Split into simpler sentences: McLaughlin had taken over the NDP at its height but for many reasons, the party began a steady decline in the polls. In the 1993 election, the NDP lost badly, and was left with only nine seats in Parliament.