Problem: The earliest mentions of Slavic raids across the lower River Danube may be dated to the first half of the 6th century, yet no archaeological evidence of a Slavic settlement in the Balkans could be securely dated before c. 600 AD.
When did the Slavics raid the River Danube?
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Answer: unanswerable


Problem: With the abolition of the charters of Valencia and most of its institutions, and the conformation of the kingdom and its capital to the laws and customs of Castile, top civil officials were no longer elected, but instead were appointed directly from Madrid, the king's court city, the offices often filled by foreign aristocrats. Valencia had to become accustomed to being an occupied city, living with the presence of troops quartered in the Citadel near the convent of Santo Domingo and in other buildings such as the Lonja, which served as a barracks until 1762.
From where were Valencia's officials chosen?
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Answer: Madrid


Problem: Other churches in the Anglican Communion around the world (e.g., the Episcopal Church in the United States, and the Anglican Church of Canada) still function under their own private systems of canon law.
What is an example of a member of the Anglican Communion in America?
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Answer:
the Episcopal Church