You are a useful idiot. Russia could have chosen not to invade a country with whom they had a treaty specifically saying they wouldn’t.
https://en.m.wikisource.org/wiki/Ukraine._Memorandum_on_Security_Assurances
The Russian Federation, the United Kingdom of Great Britain and Northern Ireland, and The United States of America reaffirm their commitment to Ukraine, in accordance with the principles of the CSCE Final Act, to respect the independence and sovereignty and the existing borders of Ukraine.
The Russian Federation, the United Kingdom of Great Britain and Northern Ireland, and The United States of America reaffirm their obligation to refrain from the threat or use of force against the territorial integrity or political independence of Ukraine, and that none of their weapons will ever be used against Ukraine except in self-defense or otherwise in accordance with the Charter of the United Nations.
Bookshop.org supposedly shares revenue with your local book store.