In December 5, 2017 German Foreign Minister Sigmar Gabriel speech at Korber Foundation, warned Iran nuclear deal collapse, cause could leads to military conflict, he stand with European Union assertive, between Trump administration and world leader effective that impact relation, between country. he said in statement,"US will never be same""the world is no longer a global community but an arena and also a battleground in which nations, nonstate actors and companies fight over advantages,".