Q: Does "The Shahis are generally split up into two eras: the Buddhist Shahis and the Hindu Shahis, with the change-over thought to have occurred sometime around 870." provide a valid answer to "The decline of what empire allowed the rule of the Kabul Shahi empire?"?
A: no

Q: Does "In 1871, after the end of the war, the city was annexed to the newly established German Empire as part of the Reichsland Elsass-Lothringen under the terms of the Treaty of Frankfurt." provide a valid answer to "In what year was the city annexed to the German Empire?"?
A: yes

Q: Does "Brubaker and Cooper note a tendency in many scholars to confuse identity as a category of practice and as a category of analysis (Brubaker & Cooper 2000, p. 5)." provide a valid answer to "Many scholars confuse identity as a category of practice and what other category?"?
A: yes

Q: Does "Bell believed the photophone's principles were his life's "greatest achievement", telling a reporter shortly before his death that the photophone was "the greatest invention [I have] ever made, greater than the telephone"." provide a valid answer to "In what decade did fiber-optics become widely used?"?
A:
no