The Serov Instructions featured instructions on a mass deportation by the Soviet Union of tens of thousands of people from the territories occupied in what year?
Serov Instructions: The so-called Serov Instructions (full title: "On the Procedure for Carrying out the Deportation of Anti-Soviet Elements from Lithuania, Latvia, and Estonia") was an undated top secret document, signed by General Ivan Serov, Deputy People's Commissar for State Security of the Soviet Union (NKGB).
i don't know