Verb conjugation of "annullieren" in German

My daugther was crying all night and we did not know why. We assume that she is getting into the terrible two age and wants to give us a hard time. We love her so much and do not get upset by that.
Today, during the peace process it is very difficult for both parties to suppress their feelings since the recollection of what occured in the last decades are strongly rootes in their minds.
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