What type of fallacy occurs when we change the subject or simply ignore the issue at hand?

In 1969, President Richard Nixon gave a speech about the Vietnam War

He said, ?Now let me begin by describing the situation I found when I was inaugurated on January 20: The war had been going on for four years. Thirty-one thousand Americans had been killed in action. The training program for the South Vietnamese was beyond [behind] schedule. Five hundred and forty-thousand Americans were in Vietnam with no plans to reduce the number. No progress had been made at the negotiations in Paris and the United States had not put forth a comprehensive peace proposal.?  What form of supporting material was he using? A) statistics B) testimony C) comparison and contrast D) explanation

During a long-drawn-out team meeting, which consisted of several points of discussion, Kieron, the team leader, noticed several of his teammates were in a kind of stupor

To bring their focus back on track, he reiterated the key agenda items and gave a brief description of each. Which type of task-leadership behavior did Kieron display? a) Summarizin b) Coordinating c) Initiating d) Elaborating