Cortezs conquest of the aztecs helped cause chocolate to become popular with spanish royalty. one fact that created this cause-and-effect relationship is that cortez brought back three chests of cacao seeds to the spanish king. what is the other fact

The other factor that led to chocolate becoming popular with Spanish royalty was that it was adapted to Spanish tastes.

Explanation:

Once Cortes brought the cocoa back to Spain and introduced it to the King, the monks in monasteries who were know to have skills at preparing medicinal products and remedies were asked to process the beans and to adapt the product to Spanish customs and taste. They added spices that were more familiar to the Spanish royalty like nutmeg and cinnamon and they sweetened it with sugar.  They also served it warm. It's popularity eventually spread to other countries in Europe like France and England.