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In 1152, the electors of the Holy Roman Empire chose this noble as the successor of Otto I: 

The buying and selling of church offices was called: 

If a work of writing is in the author’s local dialect (everyday language) the work is considered to be vernacular literature. 

Which of the following statements would not be considered a cause or motive for the Crusades?

At the death of this English king in 1066, William of Normandy claimed the throne of England: 

This style of medieval architecture was  typified by pointed arches and large stained glass windows: 

By 1248 Christians controlled all of the Iberian Peninsula except for the small Muslim state of _____. 

The loose confederation of principalities, duchies and other regional governments from Denmark to Rome and Burgundy to Poland was called: 

The conquest of the Muslim kingdom of the Iberian Peninsula by King Ferdinand and Queen Isabella of Spain is called:

What plant pigment, commonly found to vary in fruits and flowers, is used in this experiment to determine pH color?