that在这个句子中的作用
Experts say Kim Jong-Um is in the process of consolidating power and that he's generating a crsis to whip his people up into a wartime patriotic frenzy ,so that they will rally around the leader while he eliminates his rivals.
背景：专家说：金胖正处于巩固权力的阶段,他制造危机使得人民陷入战争时期的爱国狂热,这样人民就会在他消灭政敌时拥护他.
加粗that在这个宾语从句中是什么地位?为什么不省略,突然出现使得句型非常突兀?