13 Until the law sin was in the world. Sin is not imputed (put on account) when there is no law.
Romans 5:13 Cross References - NSB
Genesis 4:7-11
7 »If you do what is right, will not your attitude improve? But if you do not do what is right, sin is crouching at your door. It desires to have you, but you must master it.«
8 While they were in the field, Cain attacked his brother Abel and killed him.
9 Jehovah asked Cain: »Where is your brother Abel?« »I do not know,« he replied. »Am I my brother’s keeper?«
10 Jehovah said: »What have you done? Listen! Your brother’s blood (life) cries out to me from the ground.
11 »Now you are under a curse and driven from the ground, which opened its mouth to receive your brother’s blood from your hand.
Genesis 6:5-6
Genesis 6:11
11 The earth was corrupt in God’s sight. It was full of violence.
Genesis 8:21
21 Jehovah smelled the pleasing aroma and said in his heart: »Never again will I curse the ground because of man, for the intent of his heart is evil from childhood. I will never again destroy every living creature, as I have done.
Genesis 13:13
13 The men of Sodom were wicked and sinned greatly against Jehovah.
Genesis 18:20
20 Jehovah said: »Because the outcry against Sodom and Gomorrah is great, and because their sin is very grave,
Genesis 19:4
4 They prepared to retire for the night when suddenly all the men of Sodom, young and old, came from all over the city and surrounded the house.
Genesis 19:32
32 »Come, let us get our father drunk. Then we can sleep with him and have children by him.«
Genesis 19:36
36 Both of Lot’s daughters became pregnant by their own father.
Genesis 38:7
7 Er was an evil man. It displeased Jehovah. So Jehovah killed him.
Genesis 38:10
10 What he did displeased Jehovah. So Jehovah killed him also.
Romans 4:15
15 The law produces wrath (violent passion) (indignation). But where there is no law there is no sin.
1 Corinthians 15:56
56 The sting of death is sin; and the strength of sin is the law.
1 John 3:4
4 Everyone who practices (exercises) sin also commits lawlessness, because sin is lawlessness.
1 John 3:14
14 We know that we have passed out of death into life, because we love the brothers. He who does not love abides in death.