TidalWave's Political Power: World Leaders features biographies of leaders who shaped nations. Nelson Mandela of South Africa, a symbol of the struggle against racial and political oppression, is one of the most important figures of the last century. Britain's Margaret Thatcher, in the words of her biographer, John Blundell, "has been one of the most effective champions of the free-enterprise economic model which has delivered progress and prosperity around the world." Former actor and comedian Volodymyr Zelenskyy currently serves as the sixth president of Ukraine and is a man under siege as war with Russia rages, and his people stand their ground. The charismatic teacher with camera-ready looks and easygoing nature, Justin Trudeau is the 23rd Prime Minister of Canada and is a voice for the youth and calming presence during troubling times.