Which of the following are ethical standards?(1 point) rules of a particular place that govern actions and are enforced by penalties

instructions that ensure the safety of others within a particular location

guidelines that control the behaviors within a group or organization

principles that promote good behavior, fairness, and kindness

  ! i need it ! the daughters of the revolution eventually admitted african american to their hall.which best analyzes how this detail supports the meaning in "marian anderson sings"? a)it shows that african american performers would never be able to perform in some theaters. b)its show that an era of discrimination on unfair treatment of african american was finally over. c)it shows that marian anderson had ease discrimination for for african american performers. d)its shows that revolutionaries are not open to new ideas.

Which tense allows for an event that began in the past to carry into the present moment in time

In 250 words, discuss the ways in which the novel relates to the historical context in which it was published.