Which of the following is true of culture's impact on conflict styles?
a.) Values and viewpoints toward the world are universal, so most people interpret conflict styles in the same way.
b.) The Thomas-Kilmann Conflict Styles Inventory is equally useful to people from different cultures.
c.) Conflict management is only possible when people have a shared culture.
d.) Not everyone in the world shares the same assumptions and worldview, so conflict styles can vary by culture.