"For diplomatic and supply reasons, the Graf Spee is ordered to pay a visit to the port of Montevideo. It may take some persuasion to convince Uruguay to offer hospitality to us. If successful, we will be afforded a one-time opportunity to resupply (restore the Graf Spee to full strength)."
Whether the visit is by force or by stealth, the successful event popup message says:
"The Graf Spee has docked in Montevideo. She enjoys diplomatic immunity for as long she remains in port. The Uruguay government is actually quite accommodating, welcoming Captain Langsdorff and assuring him that the Graf Spee will be resupplied (restored to full strength) once, upon his request."
In the "Montevideo Hospitality" folder, which is activated when the "Visit the port of Montevideo" mission is completed, the repeating "Withdraw Task Force G" and "Reactivate Task Force G" triggers are changed. They only handle this now: As long as the Graf Spee stays in Montevideo, British Task Force G is ordered to loiter on the east side of Isla Martín García. If the Graf Spee moves just one hex away from the docks, Task Force G is back on the offensive.
The resupply effect is handled by a separate trigger (Another dialog! Please get it fixed!
Version 2.4 of the Battle of the River Plate has been uploaded. Here are the revised triggers, in case you are interested:


