Enable "Changed Global Policy" in audit log search
Enable activity "Changed Global Policy" to see what changed in global policy and who made the changes.
Because some customers' environment requires multiple Global Administrator, while some GA make changes in global policy without authorization.
If the audit log search is not enabled with Changed Global Policy, it would increase the difficulty of management and restore global policy settings if the policy is not archived.
Manoj K commented
Critical component to have in Audit logs !! We just had a requirement to figure who did the change but unable to