The answer I know for sure is Justinian's code.
Justinian Code, was the result of Emperor Justinian's desire that existing Roman law be collected into a simple and clear system of laws, or code.. Tribonian, a legal minister under Justinian, lead a group of scholars in a 14-month effort to codify existing Roman law.
The answer I would choose would be c. The citizens have the right to make choices, but imagine disagreeing with one another. This will lead to conflict.
Governments use price ceilings to protect consumers from conditions that could make commodities prohibitively expensive.
Antietam enabled the Union to repel the first Confederate invasion of the North, The battle allowed Abraham Lincoln to issue the Emancipation Proclamation, Antietam kept Britain and France on the sidelines, The battle lifted sagging Union morale, Photographs from Antietam brought the horror of war to Americans for the first time, The battle may have saved Lincoln from a resounding defeat in midterm elections, Antietam marked the beginning of the end for General George McClellan.
Http://www.indianoceanhistory.org