For 10 points, name this man who signed a non-aggression pact with Nazi representative Joachim von Ribbentrop and was the namesake of some anti-tank "cocktails."
One accusation of treason against this man rested on him possibly owning his own railroad car, and he cast an abstaining vote when his Jewish wife Polina Zemchuzhina was accused of treason. This man joined Lazar Kaganovich and Georgy Malenkov in an attempt to bring Nikolai Bulganin to power, becoming one of the "Anti-Party Group" denounced by Khrushchev. He then served for a while as ambassador to Mongolia after being demoted from his post of Soviet Foreign Minister. For 10 points, name this man who signed a non-aggression pact with Nazi representative Joachim von Ribbentrop and was the namesake of some anti-tank "cocktails."
One accusation of treason against this man rested on him possibly owning his own railroad car, and he cast an abstaining vote when his Jewish wife Polina Zemchuzhina was accused of treason.
Vyacheslav Mikhailovich Molotov [or Vyacheslav Mikhailovich Skryabin]