Question

question 3
what is the best reason why position papers include and respond to the positions of others who have engaged with an issue?
because when we take a position on an issue, we are participating in an ongoing conversation that others have been having about that issue
because the positions of others are more meaningful than our own position on the issue
because the medium of position papers requires that we include the positions of others who have engaged with an issue
because the positions of others provide a clear indication that the topic matters to people

Explanation:

Position papers are part of an ongoing conversation on an issue. By including and responding to others' positions, we show we are participating in this larger - scale discussion.

Answer:

Because when we take a position on an issue, we are participating in an ongoing conversation that others have been having about that issue.