Answer:
A,C,D
because i had this exact question not to long ago and i memorized it
Diversity can negatively affect a group by the different opinions leading to arguments about who is correct and who is wrong but diversity can positively affect a group because when people are different we see their differences as in opinions or future or background and we can learn from that.
The answer is to assure unity. It is hard to get your point across if you don't stick to one point at a time
Or a(n) what it is called a broken chord but dang finsh the sentace