When Mitterrand realized that controlling development from outside was not possible, he sought to commit the West German government to a foreseeable united Germany on two matters: on the recognition of Poland's western border and on hastened European integration through the establishment of a currency union.[citation needed] In January 1990, the Soviet Union sent understanding signals by appealing to West Germany for food deliveries. On 10 February 1990, Kohl and his advisers had positive talks with Gorbachev in Moscow.