<em>During their arrest:</em> The defendant is often better off exercising Fifth Amendment rights to remain silent during questioning and arrest. The defendant is not required to say anything at this stage.
<em>During their initial appearance:</em> Unless this appearance is the defendant's arraignment appearance (it could be bail, etc.), then the defendant is not required to disclose information.
<em>During their arraignment appearance: </em>The arraignment appearance is where a judge restates rights for the defendant and gives the defendant the opportunity to declare his/her innocence or guilt. This is often the defendant's first formal court appearance.
<em>During their Grand Jury appearance:</em> This step of the trial occurs after the defendant declares innocence or guilt, so this is irrelevant to the question.
<span>D. Two Mongol attacks on Japan failed when storms and typhoons nearly destroyed the Mongol fleets on both occasions. Because of all the options above this is the only one that can justify why they failed in the invasions in Mongol side or perspective. While the other side glorify the victory of the Japanese letter D. gives the reason the Mongol lose because of the typhoon not because of the Japanese.</span>