A few days back US President Donald Trump cited Ukraine’s NATO ambition as the reason for the Russia-Ukraine war. And during the US-Russia talk in Riyadh over peace, the point of Ukraine's NATO membership again came up. The debate over Ukraine's NATO membership has sparked intense discussion among experts and officials. Russian Foreign Minister Sergei Lavrov has declared NATO membership for Ukraine "unacceptable," viewing it as a direct threat to Russia's sovereignty. But why Russia, USA & EU is so triggered by Ukraine’s NATO bid. Watch to find out!