Mandatory priestly celibacy first appeared for the Spanish clergy at the Synod of Elvira in 306-306.

It was allegedly used as a military fortress, a chapel and a burial site of the members of the Spanish clergy.

Criticized by the Spanish clergy for being too lax with regard to Catholic ritual.

Some of the rooms of the site were inhabited by the Spanish clergy.

Expectation rose amongst the Spanish clergy in Rome.

Spanish clergy gradually started to use the Roman words of institution (though there is no evidence whether or not it was done consistently).

But more importantly, it stripped the Spanish clergy of their privileges, and curtailed their power.

Spanish clergy and administrators dating to the 16th century were largely familiar with ancient Maya sites, writing and calendar systems.

Regardless of the actions, beliefs, and tribulations of the Spanish clergy, one factor more than any other affected the success of the spiritual conquest: the demographic disaster.

Virtually all Nationalist groups had strong Catholic convictions and supported the native Spanish clergy.