Conversation so far:
How is NIxon associated with the Soviet Union?
Nixon used the improving international environment to address the topic of nuclear peace.
Did he travel to the Soviet Union?
The President and First Lady arrived in Moscow on May 22, 1972.
Who did they deal with while they were there?
met with Leonid Brezhnev, the General Secretary of the Communist Party; Alexei Kosygin, the Chairman of the Council of Ministers.

Question: Were they successful with what they were trying to accomplish?
Self-contained rewrite: Were Richard Nixon and the first lady successful with what they were trying to accomplish?