Which statements are true with regard to the purpose of setting up a communication protocol?

The whole question would be:

Which statements are true with regard to the purpose of setting up a communication protocol?

1: A communication protocol is set up to establish a relationship between the sender and recipient of the message.

2:It also covers how to communicate with friends and relatives. A communication protocol also defines acceptable behavior in a work environment.

3 :A communication protocol does not cover etiquette that needs to be followed during professional conduct.

CORRECT ANSWER:

1: A communication protocol is set up to establish a relationship between the sender and recipient of the message.

2:It also covers how to communicate with friends and relatives. A communication protocol also defines acceptable behavior in a work environment.

black citizens were denied access to the same public facilities as whitesun.

marriages between white and nonwhite citizens were forbidden.

nonwhite citizens were required to carry identification papers with them at all times.

what were the pronouns? did it use i, me, and my? if so, it was first person. if it had pronouns like you and your it was second person point of view. if it used he, she, and they, it was 3rd person point of view.