Answer:
It is perhaps surprising to learn that the Roman Empire is only around the 28th largest in history. It punches above its weight in terms of influence. Its sheer physical size shouldn’t be underestimated, however. It grew to around 1.93 million square miles, containing about 21 per cent of the world’s population (by an estimate) at its greatest extent in the early second century.
Explanation:
B. Freedom of Expression. All the others have to do with the US law system and the like, which is not involved in the most basic of rights. But Freedom of Expression is the one not like the others.