Which of the group member roles may use humor to smooth over tensions or disagreements among other members

the answer would be a)henry grady because he came up with the term "new south"

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

i believe your answer is:

quickly

i hope that : )

answer; francis cecil sumner;