Dear tutor, please help me with this business law essay.

In the city of Siba, known for its software industry, Mark, a software developer, entered into a contract with Emma, a tech retailer from Kuchung. The contract specified that Mark would supply Emma with a certain quantity of software packages each month. However, an unexpected political conflict erupts in Siba, escalating into a state of civil war. Mark's software development facility is severely damaged during the conflict, making it impossible for him to fulfill his contractual obligations. Emma, concerned about the impact on her business, is considering legal action against Mark for breaching the contract. What advice would you offer Mark