Select all that apply.
examples of audience interaction by the speaker include:
questions and answers
dialogue
body posture
feedback

questions and answers

dialogue

feedback

Explanation:

Audience interaction is when the speaker gives the audience the chance to tell him something back, asking questions or having a dialogue, feedbak is also part of audience interaction because it gives the speaker a sense of what is happening and how he is doing. From the options the only one that doesn´t have anything to do with audience interaction is Body posture since that one depends solely on the speaker.

b.

jim crow laws were enacted in northern states.