nations after he won the white house. she became known for her tenacity and determination to elevate u.s. interests at the un through what she called aggressive multilateralism. >> we must summon the strength to defeat those who run roughshod over the rights of others. >> reporter: she pushed hard for u.s. boots on the grounds in balkans. the u.s. administration chose diplomacy instead, a decision that came at a costly human price. an even bigger regret, the failure of the u.s. to intervene to stop the rwandan genocide in 1983. lessons learned from her past and the present and she cemented her place in history becoming the first ever female secretary of state of state. nato-led effort helped kosovo gain independence from the serb