>The sin of the world demanded blood for the remission of sins, and death as a penalty.
Not so sure about this, seems to be an outgrowth of Jewish obsession of killing animals to take away the sins for the sinner's sake. Inherently flawed thinking of man.
'Every knee shall bow' in appreciation and worship…))
>Without the shedding of blood, there is no remission of sin.
I agree with the rest of what you said, especially 'Jesus died once, and for all,' as He put an end to mistaken idea I clipped. But Moses was instructed on the First Passover, so there was a plan in place for man's redemption at the appropriate time.
Contemplating His Passion we realize how truly much pain He endured for our sake, Anon.