While Ukraine fights to defend itself from Russian forces, Putin makes a nuclear threat to the west and the rest of the world. Dr Jeremy Garlick, Associate Professor of International Relations and China Studies at the University of Economics, Prague, explains the strategies currently being used by Russia and the West, ‘game theory’ and nuclear deterrence between these two opposing forces through recent history.If you'd like to learn more, we have hundreds of history documentaries, ad-free podcasts and audiobooks at History Hit - subscribe today! To download the History Hit app please go to the Android or Apple store. See acast.com/privacy for privacy and opt-out information.