Question: Whilst it is often perceived as an optimal solution for states comprising different cultural or ethnic communities, the federalist model seems to work best in largely homogeneous states such as the United States, Germany or Australia, but there is also evidence to the contrary such as in Switzerland. Tensions between territories can still be found in federalist countries such as Canada and federation as a way to appease and quell military conflict has failed recently in places like Lybia or Iraq, while the formula is simultaneously proposed and dismissed in countries such as Ukraine or Syria. Federations such as Yugoslavia or Czechoslovakia collapsed as soon as it was possible to put the model to the test.
Is there an answer to this question: What countries dismissed the federalist model?

Answer: Ukraine or Syria

Question: Specific studies of Slavic genetics followed. In 2007 Rebaa and colleagues studied several Slavic populations with the aim of localizing the Proto-Slavic homeland. The significant findings of this study are that:
Is there an answer to this question: When did Rebaa and colleagues studied several Slavic populations with the aim of localizing the Proto-Slavic homeland?

Answer: 2007

Question: On May 20, 2011, Schwarzenegger's entertainment counsel announced that all movie projects currently in development were being halted: "Schwarzenegger is focusing on personal matters and is not willing to commit to any production schedules or timelines". On July 11, 2011, it was announced that Schwarzenegger was considering a comeback film despite his legal problems. He appeared in The Expendables 2 (2012), and starred in The Last Stand (2013), his first leading role in 10 years, and Escape Plan (2013), his first co-starring role alongside Sylvester Stallone. He starred in Sabotage, released in March 2014, and appeared in The Expendables 3, released in August 2014. He starred in the fifth Terminator movie Terminator Genisys in 2015 and will reprise his role as Conan the Barbarian in The Legend of Conan.
Is there an answer to this question: What was the first film Schwarzenegger co-starred in with Sylvester Stallone?

Answer: Escape Plan

Question: Maintaining continuity with his predecessors, John XXIII continued the gradual reform of the Roman liturgy, and published changes that resulted in the 1962 Roman Missal, the last typical edition containing the Tridentine Mass established in 1570 by Pope Pius V at the request of the Council of Trent and whose continued use Pope Benedict XVI authorized in 2007, under the conditions indicated in his motu proprio Summorum Pontificum. In response to the directives of the Second Vatican Council, later editions of the Roman Missal present the 1970 form of the Roman Rite.
Is there an answer to this question: What did the changes published by Pope Benedict XVI cause?

Answer:
unanswerable