Complex sentence: It is likely that La Blanca was a subsidiary of a major Maya city such as Yaxha or Naranjo, given the complete absence of hieroglyphic texts and sculpted monuments, and archaeologists presume that La Blanca served as a frontier post or trading centre.
Split into simpler sentences: It is likely that La Blanca was a subsidiary of a major Maya city such as Yaxha or Naranjo, given the complete absence of hieroglyphic texts and sculpted monuments. Archaeologists presume that La Blanca served as a frontier post or trading centre.