The correct answer is - natural selection.
This is a typical case of natural selection, where we have a group of people that have similar physical traits, that are selected and than isolated from any external influence, so with interbreeding they manage to keep their physical traits for generations to come and thus create a population that resembles their initial ancestors.
Answer:
protection from self-incrimination
Explanation:
The Fifth Amendment of the United States Constitution was passed in 1791. It started among other things that "No person shall be held to answer for a capital, or otherwise infamous crime, unless on a presentment or indictment of a grand jury..."
This implies that an accused has the right not to reply to the police questions both while in custody or court. The purpose is for the protection from self-incrimination that may arise.
Archaeology is the answer