Nevertheless, past Greek governments have insisted that this was only a down-payment, not complete reparations.[25] In 1990, immediately prior to German reunification, West Germany and East Germany signed the Two Plus Four Agreement with the former Allied countries of the United States, United Kingdom, France, and the Soviet Union. For Germany the issue of reparations has been settled with this agreement. On 8 February 2015, the then Greek Prime Minister, Alexis Tsipras demanded that Germany pay the "complete" reparations to Greece.