>what’s the origin of the information that fueled Putin’s horrible decision to invade Ukraine?

The hubris of dictators is caused a well-known feedback loop that we've seen dozens of times in history, from long before we even had computers, much less AI.

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>How did the US become so divided so quickly?

It didn't. The US has always been massively divided. The only thing that changed was the position of the divide.

>Why are governments all over the world getting worse at solving problems?

They're not. This is such a broad statement that it's difficult to even understand what you could be referring to.

In general terms, the world is getting better over time, not worse. This is a "noisy" improvement, with dips and rises; and it's not equally distributed over the entire globe at all times. However, by most measures, things are improving, including governments, when you look at long-term (decades) behaviors.