Complex sentence: Nonetheless, Martin was frequently accused of tying Gomery's hands and using the sponsorship scandal to purge the Liberals of members who supported Chrétien and it led to his defeat and resignation from the party leadership in early 2006.
Split into simpler sentences: Nonetheless, Martin was frequently accused of tying Gomery's hands and using the sponsorship scandal as an excuse to purge the Liberals of members who supported Chrétien. The scandal led to his defeat and resignation from the party leadership in early 2006.