Actually, it's not an event,. it's a decision that is available to Germany, which then starts the negotiation event chain. As you can see, Germany being at war with Poland makes this decision unavailable.# German Proposal
molotov_ribbentrop_pact = {
major = yes
potential = {
tag = GER
not = { has_country_flag = the_molotov_ribbentrop_pact }
not = { alliance_with = SOV }
exists = SOV
exists = POL
year = 1939 # Initial talks
not = { year = 1940 }
not = { war_with = SOV }
not = { war_with = POL }
not = { exists = AUS } # Anschluss of Austria
or = {
has_country_flag = first_vienna_award
controls = 2562 # Praha
}
}