Original: Restorationism refers to the belief that a purer form of Christianity should be restored using the early church as a model . In many cases , restorationist groups believed that contemporary Christianity , in all its forms , had deviated from the true , original Christianity , which they then attempted to '' Reconstruct '' , often using the Book of Acts as a '' guidebook '' of sorts .
Simplified: Restorationism refers to various unaffiliated movements that considered contemporary Christianity , in all its forms , to be a deviation from the true , original Christianity , which these groups then attempted to '' Reconstruct '' , often using the Book of Acts as a '' guidebook '' or sorts .