"Yet" or "There was no written law from the time of Adam to the time of Moses, but." The word "Nevertheless" links this section with the verses that came immediately before it. (See: [Romans 5:13](./12.md))
Paul is speaking of death as if it were a king who ruled. AT: "people continued to die from the time of Adam until the time of Moses as a consequence of their sin" (See: [[rc://en/ta/man/translate/figs-personification]] and [[rc://en/ta/man/translate/figs-metaphor]])
Here "grace" refers to God's free gift that he made available to everyone through Jesus Christ. AT: "even more through the man Jesus Christ, who died for us all, did God kindly offer us this gift of everlasting life, although we do not deserve it" (See: [[rc://en/ta/man/translate/figs-explicit]])