 Still after 1 September 1939, the outbreak of World War II, airplane parts were delivered to Spain.The German exports to Spain which had increased during the Spanish Civil War were mainly carried out by sea.With the outbreak of World War 2 the Allies tried to block this sea route trade, and "the Wagner campaign" was devised to organize German merchant ships that were stuck thereafter in Spanish ports changing their flags and partially subscribe them to Spanish entrepreneur Juan March.