ukraine.
Portugal would send spain to the moon
Between Spain and the US.
When Poland was invaded by Germany in 1939 there was already an agreement between Poland, France and Britain that if Poland was attacked the other two signatories would help. Mr. Chamberlain sent a message to the German government stating that if they did not stop their attacks by a certain time, then a state of war would exist between Britain and Germany. Of course, there was no reply.
Poland would have either become part of Germany or the Soviet Union depending on the eventual outcome of World War 2.
ukraine.
Portugal would send spain to the moon
The United Kingdom would
Over the centuries many countries have declared war on Spain, or wanted to. France, Portugal, England, Ottoman Empire, Italy, Germany, Spain (civil war), Poland, Austria etc.
Britain went to war because of a mutual treaty between Britain and Poland.
Germany invaded Poland which made Britain and Spain declare war
The Soviet involvement with Poland at the begginning of the war is explained in the link below.
Between Spain and the US.
When Poland was invaded by Germany in 1939 there was already an agreement between Poland, France and Britain that if Poland was attacked the other two signatories would help. Mr. Chamberlain sent a message to the German government stating that if they did not stop their attacks by a certain time, then a state of war would exist between Britain and Germany. Of course, there was no reply.
russia poland
Poland would have either become part of Germany or the Soviet Union depending on the eventual outcome of World War 2.
Spain and the US.