It’s next to impossible to fathom why Russia might have invaded Ukraine without understanding the Soviet Union and Vladimir Putin’s attachment to the notion of an empire led by Moscow. Few are better placed than Julian Nundy, whose links to Ukraine go back more than half a century, to explain the complex relationship between Russia and its western neighbor. In his decoder, Nundy takes the reader from the upheaval of the Russian revolution to the collapse of the USSR and, with it, Russia’s loss of buffer states – for Putin, an intolerable affront.

Exercise: Ask your students to choose a revolution – if their country had a revolution, then that should be their focus – and to assess the good that may have come out of it, and the bad.