Row-level vs Column-level Security

Claro operates across three regions: North America, Europe, and Asia-Pacific. The compliance team needs to ensure that regional data analysts can only query rows relevant to their own region in the CREDIT_SCORES table - the Europe analyst role should never retrieve rows for North American users, even if they modify their query directly. All columns within their visible rows should remain accessible.

Which Snowflake security process should the team implement?