Final answer:
The Warsaw Convention is the most influential international regulation that addresses conditions of international transport and limits financial liabilities of air carriers.
Step-by-step explanation:
The most influential international regulation that addresses conditions of international transport and limits financial liabilities of air carriers is the Warsaw Convention. The Warsaw Convention, also known as the Convention for the Unification of Certain Rules Relating to International Carriage by Air, was established in 1929 and has been amended multiple times. It sets out rules and standards for air travel, including liability limits for airlines in case of accidents or lost baggage.