Since its independence, Armenia has maintained a policy of complementarism by trying to have positive and friendly relations with Iran, Russia, and the West, including the United States and the European Union. It has full membership status in a number of international organizations and observer status, etc. in some others. However, the dispute over the Armenian genocide of 1915 and the ongoing Nagorno-Karabakh conflict have created tense relations with two of its immediate neighbors, Azerbaijan and Turkey.