So, by a less-than-generous view, it might be suspected that the United States encouraged demonstrators to break the truce, with the expectation that violence would occur and Yanukovich's equivocal fat cat backers, such as Akhmetov, would jump ship because the US had already informed them that their assets in the West would be at risk under US and EU sanctions.
If this is the case, the EU perhaps has additional reason to feel sore and resentful at the US.  By blowing up the truce and the transition deal, Nuland got Yanukovich out and "Yats"--the preferred US proxy, Arseniy Yatsenyuk--in, but at the cost of terminally alienating the Ukraine's pro-Russian segment--a segment, it might be pointed out, was actually able to elect Yanukovich in a free and fair election a while back.

Interesting links to US threats against Ukrainian oligarchs in Yahoo! Sports of all places.

China Matters: Looks Like US Played Hardball in the Ukraine...and Against the EU

So, by a less-than-generous view, it might be suspected that the United States encouraged demonstrators to break the truce, with the expectation that violence would occur and Yanukovich's equivocal fat cat backers, such as Akhmetov, would jump ship because the US had already informed them that their assets in the West would be at risk under US and EU sanctions.
If this is the case, the EU perhaps has additional reason to feel sore and resentful at the US.  By blowing up the truce and the transition deal, Nuland got Yanukovich out and "Yats"--the preferred US proxy, Arseniy Yatsenyuk--in, but at the cost of terminally alienating the Ukraine's pro-Russian segment--a segment, it might be pointed out, was actually able to elect Yanukovich in a free and fair election a while back.