Explained the construction of the great wall of china during the qin dynasty.

It was the state Chu who first built the wall. It was during the Qin Dynasty that the kingdom of Qin united the different parts into one empire. To defend off the invasions from northern invaders, Emperor Qin Shi Huang had all the walls joined up. Thus, the Great Wall came into being.

Explanation:

Rome : was a republic, was led by senate, had a bicameral assembly

Athens: had a council of 500 , was a direct democracy, allowed all citizens to vote