Brian has adopted a sandwich approach to delivering negative feedback: good news–bad news–good news. in other words, he opened by asking for davey's ideas and emphasizing his concern for davey, then he spent several minutes talking about negative feedback, and he concluded with positive news about davey get promoted and gain new opportunities contingent on his performance. overall, this approach can be best summarized in what way

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.