A solutions architect wants all new users to have specific complexity requirements and mandatory rotation periods for IAM user passwords. What should the solutions architect do to accomplish this?

• ASet an overall password policy for the entire AWS account.
• BSet a password policy for each IAM user in the AWS account.
• CUse third-party vendor software to set password requirements.
• DAttach an Amazon CloudWatch rule to the Create_newuser event to set the password with the appropriate requirements.