In 1945, after the defeat of Nazi Germany, Poland's borders were redrawn in accordance with the decisions made first by the Allies at the Tehran Conference of 1943 where the Soviet Union demanded the recognition of the military outcome of the top secret Nazi–Soviet Pact of 1939 of which the West was unaware. Hope this helps :)
Economic factors , nationalist factors
The correct answer is:
Allied: the United Kingdom; Central Powers: Germany.
The Allies had a lot more potential wealth to be spent on WW1. It has been estimated that the Allies spent $147 billion on the war while the Central Powers invested only $61 billion. Britain and its Empire on the Allies side spent $47 billion while Germany spent $45 billion.
