6^{\frac{1}{5} }=\sqrt[5]{6}
6^{\frac{7}{5} }=\sqrt[5]{6^7}
6^{\frac{1}{6} }=\sqrt[6]{6}
7^{\frac{1}{2} }=\sqrt[2]{7}
7^{\frac{5}{2} }=\sqrt[2]{7^5}
6^{\frac{9}{2} }=\sqrt[2]{6^9}
The main reason why ethnic tensions became such a severe problem in the Soviet Union and Yugoslavia is because the the USSR was such a vast territory that it forced many people who had not gotten along for centuries under the same political umbrella.
Answer: The Reconquista, was a period in the history of the Iberian Peninsula of about 780 years between the Umayyad conquest of Hispania in 711, the expansion of the Christian kingdoms throughout Hispania, and the fall of the Nasrid kingdom of Granada in 1492.
C: 9/11 prompted the creation of the Homeland Security Agency. Hope this helps mate =)