> If so, why didn't Putin mount a full invasion in 2016-2020? One possible explanation is that Russia is a petro-state. The average oil price between 2010 and

> If so, why didn't Putin mount a full invasion in 2016-2020? One possible explanation is that Russia is a petro-state. The average oil price between 2010 and 2014 was about $130/barrel. Then in a few short months it dropped by 50% and stayed there until this day (with a short exception around the start of the invasion when it was above $100 for about half a year). [1]https://www.macrotrends.net/1369/crude-oil-price-history-chart https://www.macrotrends.net/1369/crude-oil-price-history-cha...