When talking about the German language, the term German dialects is only used for the traditional regional varieties. That allows them to be distinguished from the regional varieties of modern standard German.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): Which term is only used for national varieties?
Ah, so.. unanswerable

During Vatican II, the Council Fathers avoided statements which might anger Christians of other faiths.[page needed] Cardinal Augustin Bea, the President of the Christian Unity Secretariat, always had the full support of Paul VI in his attempts to ensure that the Council language was friendly and open to the sensitivities of Protestant and Orthodox Churches, whom he had invited to all sessions at the request of Pope John XXIII. Bea also was strongly involved in the passage of Nostra aetate, which regulates the Church's relations with the Jewish faith and members of other religions.[d]
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): Which cardinal became heavily engaged in the passage of Nostra aetate?
Ah, so.. Cardinal Augustin Bea

On 25 February 1991, the Pact was declared at an end at a meeting of defense and foreign ministers from the remaining member states meeting in Hungary. On 1 July 1991, the Czechoslovak President Václav Havel formally declared an end to the Warsaw Treaty Organization of Friendship, Co-operation, and Mutual Assistance which had been established in 1955. The USSR itself was dissolved in December 1991.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): Who was the president of Czechoslovakia during the dissolution of the Warsaw Pact? 
Ah, so..
Václav Havel