Which of the following were developments that occurred during the Song Dynasty? A.
the development of moveable type and microscopes
B.
the development of woodblock printing and telescopes
C.
the development of paper money and gun powder
D.
the development of sundials and marine compasses

I don't know if this is right or not but in my opinion I think it's B you don't have to choose it

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.