[[File:Georgetown 2.jpg|thumbnail|center|250px|[[Georgetown University]]'s Center for Strategic and International Studies indicates that most wars lasting over a year extend to over a decade on average, resulting in sporadic clashes.<ref>[https://www.csis.org/analysis/how-does-it-end-what-past-wars-tell-us-about-how-save-ukraine#:~:text=Wars%20that%20end%20within%20a,average%2C%20resulting%20in%20sporadic%20clashes. How Does It End? What Past Wars Tell Us about How to Save Ukraine], 2022, Center for Strategic and International Studies website </ref>]] | [[File:Georgetown 2.jpg|thumbnail|center|250px|[[Georgetown University]]'s Center for Strategic and International Studies indicates that most wars lasting over a year extend to over a decade on average, resulting in sporadic clashes.<ref>[https://www.csis.org/analysis/how-does-it-end-what-past-wars-tell-us-about-how-save-ukraine#:~:text=Wars%20that%20end%20within%20a,average%2C%20resulting%20in%20sporadic%20clashes. How Does It End? What Past Wars Tell Us about How to Save Ukraine], 2022, Center for Strategic and International Studies website </ref>]] |