Complex sentence: Canada, Australia, and the United States have historically taken this approach, as exemplified by the fact that the United States has no official language, allowing official documents such as election ballots to be printed in a variety of languages.
Split into simpler sentences: Canada, Australia, and the United States have historically taken this approach. As exemplified by the fact that the United States has no official language, allowing official documents such as election ballots to be printed in a variety of languages.