Answer:
Innocent: free from guilt; free from legal fault. This should not be confused with the term “not guilty.” Not guilty is a verdict by a judge or a jury that a person accused of a crime did not commit it or that there is not enough evidence to prove beyond a reasonable doubt that the accused committed the crime.
During this era, human technology boomed. In this era, nomads have started farming. Nomads have stopped moving from one place to another. They have started forging metal tools. They also started pastoralism. They have communities and tribe. They were able to create a system on their own.
It protects against self - inscrimantion and bans being tried for the same criminal offence twice
I believe the answer is A, but am not 100% sure.