On the same day, in every state
Answer:
City-state, a political system consisting of an independent city having sovereignty over contiguous territory and serving as a centre and leader of political, economic, and cultural life.
(I don't know how it spreaded though, sorry :<)
The main impact of the Anti-Federalists on the adoption of the US Constitution was D. Their concern for preserving liberty led to the inclusion of the Bill of Rights in the ratified form of the Constitution. Anti Federalists were against strong government, and wanted a Bill of Rights unlike the Federalists. They believed that their rights would be violated with an overly strong government without a Bill of rights.
After the Qin Dynasty collapsed in 207 BC after four years of civil war, Liu Bang established the Western Han Dynasty
A.D means in our time (Anno Domini, the year of our lord) and B.C means Before Christ - these two and the other mentioned words are used to B. refer to periods of time.
