Article: On November 18, 1990, the Ukrainian Autocephalous Orthodox Church enthroned Mstyslav as Patriarch of Kiev and all Ukraine during ceremonies at Saint Sophia's Cathedral. Also on November 18, Canada announced that its consul-general to Kiev would be Ukrainian-Canadian Nestor Gayowsky. On November 19, the United States announced that its consul to Kiev would be Ukrainian-American John Stepanchuk. On November 19, the chairmen of the Ukrainian and Russian parliaments, respectively, Kravchuk and Yeltsin, signed a 10-year bilateral pact. In early December 1990 the Party of Democratic Rebirth of Ukraine was founded; on December 15, the Democratic Party of Ukraine was founded.

Now answer this question: How long lasting was the pact between Kravchuk and Yeltsin?
10-year