Porfirio Diaz, a profoundly conservative figure who had been President of the Mexican Republic for more than thirty years. A military man, Diaz rose to prominence when he commanded the armies that defeated Emperor Maximilian and restored Mexican sovereignty to Mexico.
we are, it is the verb to be for more than two people, here reference is made for a feeling of fatigue, they can also be used, but it would not make sense because it indicates that karen and that person are tired, not only karen is tired
