What was two things important about Shi Huangdi?

Shihuangdi was emperor of the Qin dynasty (221–210 BCE) and creator of the first unified Chinese empire.

Explanation:

Shihuangdi was emperor of the Qin dynasty (221–210 BCE) and the creator of the first unified Chinese empire. He is also known for his interest in immortality, his huge funerary compound that contains some 8,000 life-sized terra-cotta soldiers, and for his contribution to the Great Wall of China.

the minoan civilization flourished in the middle bronze age on the island of crete located in the eastern mediterranean from c. 2000 bce until c. 1500 bce. with their unique art and architecture, and the spread of their ideas through contact with other cultures across the aegean, the minoans made a significant contribution to the development of western european civilization as it is known today. labyrinth-like palace complexes, vivid frescoes depicting scenes such as bull-leaping and processions, fine gold jewelry, elegant stone vases, and pottery with vibrant decorations of marine life are all particular features of minoan crete.  

so basically their unique way of ding arts, as well as architecture.