Complex sentence: These were part of a broad category of "captivity narratives" by English-speaking Europeans which, beginning in the 18th century, included accounts by colonists and American settlers in North America and the United States who were captured and held by Native Americans.
Split into simpler sentences: These were part of a broad category of "captivity narratives" by English-speaking Europeans. Beginning in the 18th century, these included accounts by colonists and American settlers in North America and the United States who were captured and held by Native Americans.