a comproment is an agreement or a settlement of a dispute that is reached by each side making concessions.
An empire is a territorial claim which according to history had a rise, expansion and fall over time. This has many implications beginning with religion, culture, art, military, architecture and politics. An empire establishes some way of tribute (usually money) to its subterritories and population, following taxation rules. Leading an empire requires a dominant though respectful stance and character. It requires wisdom and understanding of justice. It also requires a long term vision towards which an empire´s population must be led to in order to improve their life and progress. There are many challenges that an empire´s leader faces, among which maintaining stable borders and a strong army outstand. Another challenge is the ability to establish peace terms with other neighboring empires or kingdoms for their own wellbeing and safety.
I say A) Economic Decline
The Munich Agreement allowed territory belonging to Czechoslovakia around the borders of Germany (where many Germans already were located) to be annexed to form what the Germans called "Sudetenland".
Answer: A