The introduction of the `import` block in Terraform 1.5+ simplifies resource management by enabling direct import and definition of resources within configuration files, aligning with Infrastructure as Code (IaC) principles and reducing complexity. This feature allows users to manage existing infrastructure more effectively and predictably, improving transparency and consistency between the Terraform state and actual infrastructure. The `import` block provides a declarative approach for importing resources into Terraform's planning process, eliminating the need for separate CLI commands like `terraform import`. It simplifies resource management by enabling direct import and definition of resources within configuration files, making it easier to integrate existing infrastructure into Terraform configurations.