Core Concepts
The number of people per unit of land area.
What is population density?
The split of the Greek Orthodox and Roman Catholic Churches.
What is the Great Schism?
A tribal leader.
What is a lord?
He called for the First Crusade.
Who is Pope Urban II?
The brain of the cell.
What is the nucleus?
The spreading of people over an area of land.
What is population distribution?
This Germanic tribe conquered what is now France.
Who are the Franks?
The estate the feudal system revolved around.
What is the manor?
This group conquered the lands in the shadow of the fallen Byzantine Empire.
Who are the Seljuk Turks?
The powerhouse of the cell.
What is mitochondria?
Poor, overcrowded urban neighborhoods.
What are slums?
This Germanic tribe conquered what is now Spain.
Who are the Visigoths?
This group mainly worked the land.
Who are the peasants?
This king and queen are responsible for the expulsion of Islam, the voyages of Columbus, and the Spanish Inquisition.
Who are Ferdinand of Aragon and Isabella of Castile?
The part of a plant cell responsible for photosynthesis.
What is a chloroplast?
The movement of people from the country to the city.
What is urbanization?
This ruler of the Holy Roman Empire spread Christianity throughout Europe.
Who is Charlemagne?
A noble who received land.
What is a vassal?
The name given to the "reconquering" of Spain by the Christians.
What is the reconquista?
This organelle produces proteins.
What is a ribosome?
To move out of a country.
What is to emigrate?
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Due to Viking influence, this Ukrainian city became an important cultural center.
What is Kiev?
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This German woman wrote music and poetry about God.
Who is Hildegard of Bingen?
This substance made its way to Europe and was responsible for the successful function of the cannons.
What is gunpowder?
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This rigid, outer shell of the cell is present in plant cells but not in animal cells.
What is the cell wall?