The European Union (EU) is one of the influential actors in the field of international relations that have managed to gain a more active role in international issues by formulating common foreign and security policy (CFSP) in Maastricht Treaty (1992). in the era after the Cold War. Considering its serious weaknesses regarding security and defense issues. the Union has endeavoured to e... https://foldlyers.shop/product-category/optocouplers/