Complex sentence: Estrada Cabrera's most curious legacy was his attempt to foster a Cult of Minerva in Guatemala, and ordered a number of Hellenic style "Temples of Minerva" built in major cities of the country.
Split into simpler sentences: Estrada Cabrera's most curious legacy was his attempt to foster a Cult of Minerva in Guatemala. He ordered a number of Hellenic style "Temples of Minerva" built in major cities of the country.