Unrestricted submarine warfare
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 :)
<span>The main difference
between “The Purple Cow” and Frost’s poem "Mending Wall" is the use
of rhyming in “The Purple Cow”. The former uses rhyming in alternative lines,
while the latter does not use any form of rhyming at all. </span>
