Peru's Nazca Lines mark the location of this natural resource.
What is water?
This leader of the Mali Empire is considered one of the richest men to ever live.
Who is Mansa Musa?
This epidemic killed something like 50% of Europe's population in the 1300s.
What is the Black Death?
During the First Crusade, crusaders murdered up to tens of thousands of people in a mosque in this city.
What is Jerusalem?
These were the two types of Christian church at the time of the crusades.
What are Orthodox and Catholic?
This culture built villages into cliff faces in what is now the southwest US.
What is the Pueblo?
This ancient West African empire shares its name, but not location, with a current West African nation.
What is Ghana?
The 1616 plague in this part of the world was probably caused by leptospirosis.
What is New England?
It took Crusaders this long to travel from France to Jerusalem.
What is three years?
Plague bacteria is famously spread by this insect.
What is the flea?
This is one of the Indigenous American societies known to have produced carved circular calendars.
What are the Aztec or the Maya?
This founder of the Mali Empire is also known as the Lion King.
Who is Sundiata Keita?
This epidemic in what is now Mexico in the 1500s is tricky for most English speakers to pronounce.
What is Cocolitzli?
Crusaders set up this many "Crusader States" on the eastern shore of the Mediterannean Sea.
What is four?
In Japan, this color was thought to ward off Smallpox.
What is red?
Tonatiuh is the name for the god of the sun in this culture.
What is Aztec culture?
The name of this empire means "Stone town."
What is Zimbabwe?
Bubonic plague is caused by this bacteria.
What is yersinia pestis?
The Byzantine emperor asked the pope for help defending his empire against these invaders.
Who were the Seljuk Turks?
These were the trade goods that made the Mali Empire so rich.
What are salt and gold?
Pacific coast tribes were known for building this type of wooden structure.
What are longhouses?
This African empire lasted all the way to 1974.
What is the Ethiopian Empire?
This plague was the first known outbreak of the first plague pandemic, which lasted from the 500s to the 900s.
What is the Plague of Justinian?
This pope called for the first crusade.
Who is Urban II?
This is the word for a split in a church, like happened between the Orthodox and Catholic church in 1046.
What is a schism?