The problem: Answer a question about this article:
Classical immunology ties in with the fields of epidemiology and medicine. It studies the relationship between the body systems, pathogens, and immunity. The earliest written mention of immunity can be traced back to the plague of Athens in 430 BCE. Thucydides noted that people who had recovered from a previous bout of the disease could nurse the sick without contracting the illness a second time. Many other ancient societies have references to this phenomenon, but it was not until the 19th and 20th centuries before the concept developed into scientific theory.
When was the first written mention of immunity as it pertains to the body?
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The answer: 430 BCE


The problem: Answer a question about this article:
Śīla (Sanskrit) or sīla (Pāli) is usually translated into English as "virtuous behavior", "morality", "moral discipline", "ethics" or "precept". It is an action committed through the body, speech, or mind, and involves an intentional effort. It is one of the three practices (sīla, samādhi, and paññā) and the second pāramitā. It refers to moral purity of thought, word, and deed. The four conditions of śīla are chastity, calmness, quiet, and extinguishment.
What is an action committed through the body and involves intentional effort?
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The answer: Śīla


The problem: Answer a question about this article:
The German Empire conquered Ukraine during World War I and was planning on either annexing it or installing a puppet king, but was defeated by the Entente, with major involvement by the Ukrainian Bolsheviks. After conquering the rest of Ukraine from the Whites, Ukraine joined the USSR and was enlarged (gaining Crimea and then Eastern Galicia), whence a process of Ukrainization was begun, with encouragement from Moscow.
Who did the Ukrainian Bolsheviks conquer the Ukraine from?
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The answer: Whites


The problem: Answer a question about this article:
Magnates often received gifts from monarchs, which significantly increased their wealth. Often, those gifts were only temporary leases, which the magnates never returned (in the 16th century, the anti-magnate opposition among szlachta was known as the ruch egzekucji praw—movement for execution of the laws—which demanded that all such possessions are returned to their proper owner, the king).
What did the magnates do eventually with the gifts?
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The answer:
never returned