Question

a sudden, destructive, an violent change in the environment caused by natural phenomena
war/conflict
epidemic/pandemic
infrastructure/ supply chain
natural disaster

Explanation:

War/Conflict is caused by human - made disputes. Epidemic/Pandemic is related to the spread of diseases. Infrastructure/supply chain issues are about human - built systems and logistics. A natural disaster is a sudden, destructive, and violent change in the environment caused by natural phenomena like earthquakes, hurricanes, etc.

Answer:

Natural Disaster