Original sentence: The Bible Belt is an informal term for a region in the south-eastern and south-central United States in which socially conservative evangelical Protestantism plays a strong role in society and politics, and Christian church attendance across the denominations is generally higher than the nation's average
Edited sentence: The Bible Belt is an informal term for a region in the south-eastern and south-central United States in which socially conservative evangelical Protestantism is a significant part of the culture and Christian church attendance across the denominations is generally higher than the nation's average