Sentence:  A government that thinks it can take on the world with Brexit can't take back a bereaved teenaged mother with fundamentalist delusions. Moreover, the risk does not <WSD>obviate</WSD> two crucial facts in this case. First and foremost, she is a citizen ... Second, when Begum went to Syria she was a child. 
Meaning of the word marked with <WSD> tags:  To avoid (a future problem or difficult situation).