The correct choice is Implement loose coupling between microservices because breaking a tightly coupled monolith into independently deployable parts aims to reduce dependencies so each part can scale and be released on its own.

Adopting Implement loose coupling between microservices minimizes interservice dependencies which allows services to evolve and scale independently and it improves fault isolation and deployment agility.

Offload undifferentiated heavy lifting is about using managed AWS services to reduce operational burden and it does not describe the architectural principle of splitting a monolith into loosely coupled services.

Use multiple strategies to enhance performance focuses on performance tuning and optimizations and it does not directly address the structural decoupling needed for independent scaling and releases.

Automate change management targets deployment pipelines and consistency in making changes and it relates to how you deliver updates rather than how you architect services to be independent.

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