Complex sentence: Alexander proved to be enthusiastic about the Canadian wilderness, as well as a popular governor general with Canadians, and he was the last non-Canadian-born governor general before the appointment of Adrienne Clarkson in 1999.
Split into simpler sentences: Alexander proved to be enthusiastic about the Canadian wilderness, as well as a popular governor general with Canadians. He was the last non-Canadian-born governor general before the appointment of Adrienne Clarkson in 1999.