Foul Mouthed Achievement (Scornfully insult 10 nations that border you. [At least 10 neighbouring countries have the “Scornfully Insulted” opinion modifier towards you])

Primarily IGT category submission, but since there is not RTA NS5 either, can be both.

For co-application to RTA category: Time starts at vid time: 0:24 Ends with 10th insult sent at: 1:54