apparently you think Russia is good for their word
In 1994, Ukraine signed the Budapest Memorandum, agreeing to give up the nuclear weapons, and by 1996 it had transferred all remaining warheads to Russia.
In return Russia, along with the United States and the United Kingdom, pledged to respect Ukraine’s sovereignty and territorial integrity, to refrain from using force or coercion against it, and to consult if any threat arose. These were political assurances rather than legally binding guarantees, meaning they did not obligate military intervention.
Ukraine effectively surrendered the world’s third largest nuclear arsenal on the understanding that its borders and independence would be honored, an expectation later shattered by Russia’s actions…