Changes

The '''effective''' permissions are the union of the two policies, <math display="block">A \cup B</math> when combining an Identity-based policy with a Resource-based policy. But, are only the '''intersection''' <math display="block">A \cap B</math> when combining with Permissions boundary or Organizations SCP<ref>https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_evaluation-logic.html#policy-eval-basics-id-rdp</ref>

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