Automatic case escalation can be disabled.
Escalation Rules and Auto-Response Rules are available only for cases.
When upserting record using Apex Data Loader and using the external id for matching the record, if the value for the external id field is not provided in the csv file or while mapping fields from the csv file to the Salesforce object fields, then
Since Apex sharing reasons are not available for standard objects, so sharing individual records of standard objects is not possible.