Rom 5:21 21 That as sin hath reigned unto death, even so might grace reign through righteousness unto eternal life by Jesus Christ our Lord. Those in false religion who have debased the Grace and Death of the Lord Jesus Christ, they would have us believe that the reign of sin and death through Adam Rom 5:12 has been much more effectual in producing results than the reign of Grace unto Eternal Life which is through the doings of the Lord Jesus Christ ! They are saying the sin and death of adam had greater effects than the Grace and Righteousness of the Lord Jesus Christ ! The word for reign, the verb basileuo means: I rule, reign, I reign over, to reign or rule as King, to exercise dominion, rule, It means to exercise the highest influence,or control ! Grace is King Jesus's Spiritual and effectual power Eph 3:7 7 Whereof I was made a minister/servant, according to the gift of the grace of God given unto me by the effectual working of his power. The word made is a new creation word, its the greek word ginomai and means: I come into being, am born, become, come about, happen. properly, to emerge, become, transitioning from one point (realm, condition) to another. 1096 (gínomai) fundamentally means "become" (becoming, became) so it is not an exact equivalent to the ordinary equative verb "to be" (is, was, will be) Paul came into being as an Servant/ Minister of Christ by the Grace given Him according to the effectual working of Power, it was not a freewill decision he made, its was Christ reigning by Grace or Grace reigning through Jesus Christ ! To do this grace reigned in bringing Paul out of spiritual death and unbelief conquering the effects of what he became because of sin and death which reigned through adam !