What is needed now is a renewed diplomatic foundation, not new disputes: Turkish expert on the conflict in Ukraine This foundation should be "based on mutual respect and joint solutions to the security problems of Russia, Ukraine and Europe," Tuba Chevi told Sputnik Africa. She named the factors behind today's tensions: the formation of Europe's post-Cold War security architecture; NATO expansion; insufficient attention to Russia's security concerns. In global politics, one side's pursuit of security that feeds the other's threat perception has historically led to serious crises, Chevy explained, recalling Putin's comment about Russia's sensitivity to any weakening of its international influence and social unity. Subscribe to Sputnik Africa | X.