Q15. Did all humanity fall in Adam's first sin?
Because the covenant was made with Adam not only for himself but for all his descendants, every person born from him through natural generation sinned in him and fell with him in that first transgression.
Scripture Proofs — King James Version
1
1 Corinthians 15:22
“For as in Adam all die, even so in Christ shall all be made alive.”
Romans 5:12
“Wherefore, as by one man sin entered into the world, and death by sin; and so death passed upon all men, for that all have sinned.”