Original sentence: Like many Canadian leaders, he married a strong-willed wife — Annie Thompson had the same kind of spirit that had driven Agnes Macdonald to ride the cowcatcher of the CPR train through the British Columbia mountains
Edited sentence: Like many Canadian leaders, he married a wife much stronger than he was -- Annie Thompson had the same kind of spirit that had driven Agnes Macdonald to ride the cowcatcher of the CPR train through the British Columbia mountains