The dispute goes back decades. Azerbaijan and Armenia are fighting over a disputed region called Nagorno-Karabakh and the conflict now threatens to pit Russia against Turkey.
America has ceded some of its influence as a super power under the Trump Administration.
And the vacuum is sure to be filled with conflict. France has now accused Turkey of stirring war.
And it's not the only place there is tension between Russia and Turkey including Syria and in Libya. Could a larger conflict be starting?
Host of Back Story, Dana Lewis talks to guests Laurence Broers and Joshua Kucera, both experts on the area we know as The Caucasus.