You should read not only what the state department tries to claim, but also what the russian official figures are saying (google translate?). Objectively, you are advancing troops to Russian border, and not Russia advancing its troops to yours. And you have the history of invading other nations, not Russia (though you would claim Russia invaded Ukraine, remember that Ukraine was part of Russia long before the american state came into being, that no one ever considered Lugansk and Donetsk "ukrainian cities", and that the current ukranian neonazi government, supported by US in its role of a battering ram against Russia, tries to ban the Russian language in Ukraine, and glorifies WWII collaborationists).
So Russia didn't invade Afghanistan, USSR did. Okay I guess.
>remember that Ukraine was part of Russia
So now Russia is the same as USSR? But didn't invade other countries?
What? Doublespeak much?
>the current ukranian neonazi government
Okay I now regret reading your comment. It's just swallowing and regurgitating Russian state propaganda.
USA will proxy war with Russia all over the world, but always falls short of direct conflict. It's too likely to turn nasty, and trigger MAD.
I think it's an important distinction that the US isn't gearing up for war with Russia (US-Russia), but rather readying themselves for a Ukraine-Russia escalation, and whatever ways in which that might spill over. Arguably they are already at war. The concern is not just another territory grab, but outright attack on Ukrainian sovereignty.
I don't know enough about world politics to have a say in to what degree the US is willing to come to Ukraine's defense. I do know that US doctrine since the Cold War is to not directly square off with the bear, not discounting giving the bear death stares from across the bar.