Question: The Treaty of Raalte was signed by the sovereign Price of where?
Sentence (from "German–Soviet Frontier Treaty"): The German-Soviet Frontier Treaty was a second supplementary protocol, of the 1939 Hitler-Stalin Pact (known as the "German-Soviet Treaty of Nonaggression", or by its original name of the "German–Soviet Treaty of Friendship, Cooperation and Demarcation").
Relevant evidence: No