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Actually, it was the many thousands of Spanish people who sacrificed their lifes in the war that saved Spain from Communism.
Germany used Spain as a testbed for its aviation. It wasn't a friendly help free of any interest. In fact after the war Spain had acquired a debt with the lender, Germany. A debt that Spain DID PAY:
Spain supplied Germany with large amounts of minerals such as iron, zinc, lead and mercury. All of them needed to feed the Germany war machine. The most important was the supply of wolfram (tungsten), which was vital for the engineering of German weaponry and which Germany had no other way to acquire since the supply sources were few and they were all blocked for Germany.
For the refusal of Spain to end the repayment of the debt to Germany Roosevelt blocked all sale of oil to Spain –a post-war country in dare need of reconstruction.
So we owe you NOTHING.
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As for Spain after the Spanish Civil War, take a look at the following maps and try to imagine what History would have been like if the many thousands of Spaniards had not died to prevent the Communists from establishing a pro-Soviet regime in the westernmost region of Europe:
Europe 1939 - 1941 (picture out Spain in red)
Europe 1959 (Cold War alliances, picture out Spain in red)
Who owes to whom?
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