Robert Hansen was arrested on suspicion of having sold off secret information to the former Soviet Union.

The news was all about the collapse of the Soviet Union.

The Soviet troops started to withdraw from Afghanistan.

The USSR will only use air strikes in the country as a last resort.

The Soviet Union took a hostile attitude toward us.

Soviet and Western observers have warned that if the Muslim republics do not join the commonwealth, they may from a separate group, setting up a volatile ethnic and religious split.