Original sentence: The Churches of Christ generally combine the lack of any historical evidence that first century churches used instruments in worship,  and the belief that there is no scriptural support for using instruments in the church's worship service to decide that instruments should not be used today in worship
Edited sentence: The Churches of Christ generally combine the lack of any historical evidence that the early church used instruments in worship  and the belief that there is no scriptural support for using instruments in the church's worship service to decide that instruments should not be used today in worship