This Question Has Two Parts; Be Sure to Answer Both

This question has two parts; be sure to answer both.
Explain the four factors essential to successful implementation of an OD.
Next, assume that you manage the U.S. office of a multinational corporation that has offices in Europe, Asia, and South America. You are having difficulty with your company's product receiving many negative reviews on Amazon, Yelp, and other online review sites. Using each of the four factors, describe how you will improve the situation.