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In an AWS Organizations setup, the root contains an OU named 'Environments', which in turn has two child OUs: 'Development' and 'Production'. All these OUs currently have the default FullAWSAccess policy. A DevOps engineer intends to remove the FullAWSAccess policy from the 'Development' OU and replace it with a policy that permits all actions exclusively on Amazon EC2 resources. What would be the resulting access control effect for users within the 'Development' OU after this policy change?
A
All users in the Development OU will be allowed all API actions on all resources.
B
All users in the Development OU will be allowed all API actions on EC2 resources. All other API actions will be denied.
C
All users in the Development OU will be denied all API actions on all resources.
D
All users in the Development OU will be denied all API actions on EC2 resources. All other API actions will be allowed.