Problem: Multiracial American:

The 2000 U.S. Census in the write-in response category had a code listing which standardizes the placement of various write-in responses for automatic placement within the framework of the U.S. Census's enumerated races. Whereas most responses can be distinguished as falling into one of the five enumerated races, there remains some write-in responses which fall into the "Mixture" heading which cannot be racially categorized. These include "Bi Racial, Combination, Everything, Many, Mixed, Multi National, Multiple, Several and Various".

In what year did the census have eight enumerated races?
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A: unanswerable

Problem: Samurai:

Samurai were many of the early exchange students, not directly because they were samurai, but because many samurai were literate and well-educated scholars. Some of these exchange students started private schools for higher educations, while many samurai took pens instead of guns and became reporters and writers, setting up newspaper companies, and others entered governmental service. Some samurai became businessmen. For example, Iwasaki Yataro, who was the great-grandson of a samurai, established Mitsubishi.

Who started Mitsubishi?
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A: Iwasaki Yataro

Problem: Athanasius of Alexandria:

The Gospel of John and particularly the first chapter demonstrates the Divinity of Jesus. This Gospel in itself is the greatest support of Athanasius's stand. The Gospel of John's first chapter began to be said at the end of Mass, we believe as a result of Athanasius, and his life's stand, but quietly. The Last Gospel of The Mass, The Eucharist, St John[1:114], together with the prayer; "Placeat tibi", the Blessing, are all private devotions that have been gradually absorbed by the liturgical service. The beginning of John's Gospel was much used as an object of special devotion throughout the Middle Ages. Nevertheless, the practice of saying it at the altar grew; eventually Pius V made this practice universal for the Roman Rite in his edition of the Missal (1570). It became a firm custom with exceptions in using an other Gospel in use from 1920. So the Missals showed different last Gospel for certain Feast days. A Prayer Card for the St John's Gospel. Also:

What does this Gospel show that Athanasius also believed?
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A: the Divinity of Jesus

Problem: Hunter-gatherer:

Lee and Guenther have rejected most of the arguments put forward by Wilmsen. Doron Shultziner and others have argued that we can learn a lot about the life-styles of prehistoric hunter-gatherers from studies of contemporary hunter-gatherersespecially their impressive levels of egalitarianism.

What is it about prehistoric hunter-gatherers that impresses Shultziner?
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A:
egalitarianism