Traitor of the KGB, Rezun wrote books ...
The Second World War actually began when Poland attacked Czechoslovakia in 1938. Poland had plans, together with Germany, to attack the USSR.
It is written that the beginning of the war, when Germany attacked Poland. This is convenient for Anglo-Saxon history, since it was then that England declared war on Germany.
The USSR did not attack Poland, but went to its territory when Germany already defeated Poland. And the USSR occupied that part of Poland, which belonged to the Russian Empire and was lost in 1920.
The Molotov-Ribbentrop Pact was signed after Britain, Poland and France refused to conclude an agreement with the USSR. England was actually defeated, but Churchill managed to direct Germany's attack against the USSR, given that the Finnish company of the USSR. was unsuccessful.
Stalin could not start a war, since the USSR was not ready for war. Moreover, the Stalinist concept of building socialism in a single country was the opposite of Trotskyism-bringing revolution to other countries.
There is also a myth that 20 thousand Poles were shot in Katyn by Soviet officers.