Empirical evidence is information acquired by observation or experimentation.
Answer:
a. It inflicts punishment on particular persons without granting them the right to a trial.
Explanation:
A bill of attainder is an a legislative act which declares a person guilty without a trial. This bill nullifies the civil rights of a person.
Parliaments nowadays do not use this bill as it is seen as an unfavorable, because of exploitation of this bill and is against the right to due process (habeas corpus).
It was used by King Henry the Eight by which he was able to execute a number of notable figures.