As someone not deeply familiar with the background of the war or the Russian perspective, do you have recommendations on reading material about its start?
There is not and will not be complete reading material. For the most part, people only scratch the surface. But in short.
Ukraine could not get out of the anarcho-capitalism of the 90s.
The oligarchs continued to wage racketeering wars among themselves and used nationalists from the southeast of Ukraine, which was hit hardest by perestroika and somewhat susceptible to financial and ideological manipulations, as foot soldiers, whom they created, financed, and promoted through government positions.
During yet another Maidan of 2013-2014, some of the Ukrainian oligarchs, with the support of the West and the muscles of a loose coalition of diverse nationalists, carried out a successful coup against the weakling Yanukovych.
Demonstrations and protests against the de facto illegitimate government, which came to power through violence and whose policies contradicted the Russian East in many ways, swept through a number of cities. Most of the Ukrainian military and police were also not very keen on obeying the not-so-legitimate authorities, and they didn't really want to shoot and crush their own compatriots with tanks, so the new government in Kiev had to rely on sadists from the national battalions who had no such qualms—see the fire in Odessa. Radicals killing people scared eastern people, and so they distanced themselves from the government more and more, and so the government increased support of nationalists to get the situation back to control, and so people distanced themselves from the government...
But at some point, the golem got out of the control of the master, and the nationalists got enough power to order the oligarchs themselves what to do.
For example, the previous president of Ukraine, Poroshenko, who opposed the blockade of the rebellious east because he had made illegal deals with them on coal, spoke very negatively about the proposal of the nationalists about the blockade and about themselves... within a week, the blockade was started.
Or Zelensky, who was openly threatened with hanging in his first year of office if he tried to disarm nationalist battalions again.
Or the oligarch Kolomoisky, in fact, the creator of the Azov battalion in its current form, is now in court.
And now you have an unholy alliance of weak, corrupt oligarchs, on whose backs the Nazis are riding straight to hell, taking the whole country with them.
https://docs.google.com/document/d/1w70uhB47nqAWgwkJyzMolYXxzzTjcD-NeXvm3axDU6s/edit?tab=t.0