Most of the US weapons and soldiers were stationed in Germany, with the US cutting back the numbers drastically after 1991.
We showed we weren't a danger to Russia by reducing troop levels.
Russian response, attack its neighbors(Georgia and Ukraine) and seize their land.
The number of U.S. troops stationed in Europe has fluctuated significantly over time, particularly after the end of the Cold War. In 1989, there were 315,225 troops, which decreased to 107,158 by 1995. By 2021, the number had further decreased to 63,853. In 2018, the number bottomed out at around 65,000
The US military is ALL OVER Poland and Romania.
And the CIA was/is ALL OVER Ukraine.