<span>Fritz Heider concluded that people tend to attribute others' behavior either to their </span>dispositions or their situations.
In other words, Heider suggested that people believe that others make decisions based off of circumstances and innate personality.
I believe this is D! Hope it helps you in any way.
William M. tweed is the answer to your question
Both focus on inequalities and conflict as central features of modern societies. Hope this helps!