Translation of "Thats" in Spanish

And thats what makes it so difficult for us.

y por eso nos resulta tan difícil.

But one question arises, and thats: “is everything really is so... exemplary?

Pero surge una pregunta, y eso es: "es todo realmente es tan ... ejemplar?

Thats why my friends, we could be witnessing the birth of a new great economic power.

Puede amigos que estemos ante el nacimiento de una gran potencia económica.