 
 <prompt> How negotiations dey happen? Given di last question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: On August 19, di 1939 German–Soviet Commercial Agreement finally sign. On 21 August, di Soviets suspend Tripartite military talks, talk say na other reasons. Dat same day, Stalin receive assurance say Germany go approve secret protocols to di proposed non-aggression pact wey go put half of Poland (border along di Vistula river), Latvia, Estonia, Finland, and Bessarabia for di Soviets' sphere of influence. Dat night, Stalin reply say di Soviets dey willing to sign di pact and say he go receive Ribbentrop on 23 August. 