"Probably,they could count citizens of pre-war Poland [eastern Poland,annexed to the USSR by the Ribbentrop-Molotov pact as Soviet citizens, and this way enlarge the total amount of their losses.
VOA: standard.2009.09.01
The real stake is not any particular treaty, but the continuing mystique of arms control, epitomized by the Kellogg-Briand Pact outlawing war in 1928.
Three times premier and minister of war, he signed the Munich pact with British prime minister Chamberlain which gave Hitler posession of the Sudetenland.