16. What was Shi Huangdi's nickname?

I believe the real answer is Ying Zheng. This comes from the shortening of the chinese characters that made up Shi's name.

the doctrine of nullification recommended that states living inside the union have the one-sided, inalienable ideal to void any law made by the national government that could be esteemed illegal.

the united states was shaped based on a general agreement among its individual states. hence, it is inferred that under the hypothesis of invalidation, since the states are the establishment of the union, they have the ability to referee and disprove unlawful laws.

im not sure its either a leader of a group of congresspeople or a person from a congressmans district

sorry im not sure