He is calling attention to the issue. President Wilson would not call the session if the topic is of policy changes and talk about going to war. He also isn't apologizing, otherwise he would use the word, "I'm sorry for calling this session." I also don't think you use "diverse" one big word in a sentence, diverse should be multiple words that aren't general. Therefore, calling attention to the issue is the most logical.
True. adding black is shade and grey is tone
<span>D. Refined traditional look with one or two large tropical accessories</span>