The forgotten treaty which could drag the US and UK into WAR

The forgotten treaty which could drag the US and UK into WAR with Russia if Putin's troops intervene in Ukraine
The agreement sees signatories promise to protect Ukraine's borders
It was signed by Bill Clinton, John Major, Boris Yeltsin and Leonid Kuchma in 1994
Ukrainian parliament has now reached out directly to all the countries who signed the treaty
Putin currently has 150,000 troops on