A lady has cleared up a lot of this.
In the English version the translation to the end of the song is “we will win, we will win, we will win”
Maybe that is why it was used in the “Sum of All Fears”.
>> the o makes it singular i beleive.
In the famous aria “Nessun dorma” from Puccini’s opera Turandot, the character Calaf sings “Vincerò!” (“I will be victorious”) as he looks forward to winning the hand of the princess Turandot.
True, but Trump says “we will win” because we are a package deal. LOL