Honestly, since living outside of the US I've been able to see the media and politicians paint Russia and China the color they want Americans to see. The definition you provide is exactly how I see the US and numerous nations. Russia's imperialism is wrong and so it the US.

In 2014, so many crazy events occurred, but here way too many articles.

Leaked phone call:

https://www.theguardian.com/world/video/2014/feb/07/eu-us-diplomat-victoria-nuland-phonecall-leaked-video

http://america.aljazeera.com/multimedia/2014/5/ukraine-presidentialelectioninfographic.html

https://obamawhitehouse.archives.gov/the-press-office/2014/09/18/fact-sheet-us-support-Ukraine

I find it amusing the US warns Russia about using aid to sneak military into Eastern Ukraine (Venezuela ahem)

https://www.abc.net.au/news/2014-08-12/russia-sends-non-military-aid-convoy-to-east-ukraine/5664050

https://www.theguardian.com/commentisfree/2014/apr/30/russia-ukraine-war-kiev-conflict

Eastern Ukraine demanding independence:

https://www.nytimes.com/2014/04/08/world/europe/russia-crimea-ukraine-unrest.html

Not sure if you trust socialist news, but just in case:

https://www.wsws.org/en/topics/event/2014-coup-ukraine