Simplify the following text for a Grade 11 native English-speaking person.
Original: Bible Belt is an informal term for an area of the United States in which socially conservative evangelical Protestantism is a significant part of the culture and Christian church attendance across the denominations is extremely high .
Simplified: The Bible Belt is term for a part of the United States in which many people believe in conservative Evangelical Protestantism making it a dominant part of the culture .