Two materials are specifically mentioned as having been used in the construction of the 40-foot-high statue of Athena that formerly stood in the Parthenon. One is gold. What is the other?

   Ivory

Explanation:  It's about the Chryselephantine statue of Athena. This statue was in the Parthenon on the Acropolis, more precisely between  Propylaea and Parthenon. Parthenon served as a polytheistic temple, and which was a shelter of the statue of Athens. The Chryselephantine statue of Athena is predominantly made of gold and ivory 40 feet high or between nine and eleven meters high. The original statue of Athena no longer exists, but there are records of it as well as some of the smaller marble-made replicas. Athena was the patron of the city of Athens, revered as a deity.

the aksumite empire was an ancient kingdom located in what is now northern ethiopia from the period of 100 ad to 940 ad. its capital was the city of aksum. the kingdom established itself as one of the 4 great powers at its time, along with persia, rome, and china.

the kingdom was rich in goods like gold, iron, and salt. it established strong commercial ties with the regions governed by rome, egypt, and persia (arabia). aksum was a key location in this commercial network. trade was also facilitated with the introduction of the aksumite currency.