Diplomacy Academy 10: Improve negotiations by speaking the language they understand

In the tenth edition of the Diplomacy Academy series, I examine a crucial element of the game: Negotiations. What does it mean to speak in a language they understand, and why is it so important?

In the first example, from the 2014 World Championships, three top level players try to persuade an unusual audience to work with them. In the second example, from a 2020 house game, an English player runs into trouble when their builds aren't in line with their moves.