Strikes are affecting three of four key state companies — fertilizer makers Belaruskali and Grodno Azot and oil refineries Naftan and Mozyr. They account for two thirds of Belarus’ exports to the West. “A prolonged strike at any of these four state-owned companies would collapse Belarusian export revenues and the Belarusian ruble, bringing Lukashenko to his knees,” writes Aslund, a Swedish-American economist with three decades experience in the ex-USSR. “If the currency collapses, the real strife will start.”