You got me interested, so I searched around and found this:

So, if I understand this correctly, the only fundamental difference between level 4 and 5 is that 4 works on specific known road types with reliable quality (highways, city roads), while level 5 works literally everywhere, including rural dirt paths?

I’m trying to imagine what other type of geographic difference there might be between 4 and 5 and I’m drawing a blank.

Hi, Eastern European here. We begged to join NATO. We kicked and screamed, wheeled and dealed, anything we could to get that coveted NATO membership.

You know why? Because we’ve been dealing with expansionist Russian imperialism for our entire histories. Different coats of paint in different time periods, but it’s all the same shit. The US is an empire, but at least here it’s preferable to Russia’s imperial ambitions.