Yes clearly the US was involved in the 2014 events in Ukraine where the president briefly fled and that Rada mysteriously voted 100% to remove the president contrary to law.
Discussion
alright so I am not going insane
And because the US had involvement in anything is a good legitimation why Russia has the right to expand its teritory. Is this the logic you are using?
When country B did something in country A then country C has the right to claim country A as its territory.
What's your justification for the terrorising of ethnically Russian areas of Ukraine that continued for 8 years, those areas went through a referendum, they weren't conquered, they wanted to be a part of Russia due to the constant threat of violence by western backed Nazi thugs.