Linked from
The 19 pages that link to Treaty of Paris (1856), each with the reason it gives.
Black SeaBroader topic: It imposed a settlement directly governing naval power in the sea.
Crimean WarBroader topic: Its terms temporarily constrained Russian power in the Black Sea.
BessarabiaRelated: It returned part of southern Bessarabia from Russia to Moldavia.
SevastopolRelated: Its restrictions curtailed the naval role Sevastopol had been built to serve.
MoldaviaRelated: It returned southern Bessarabia from Russia to Moldavia under Ottoman suzerainty.
Battle of BalaclavaRelated: It ended the wider conflict in which Balaclava was fought.