I would have to say the answer is C. There were no slaves, Chicago's climate can get cold, and they are all cities (not a lot of farmland), but they are all on waterways.
The answer is concept flexibility. The change in views enters the schema after experiencing a different solution that may add to the understanding of things. Jarod displayed this after he discovered that his knowledge is not a fixed answer.
Same with other concepts, there are instances where additional information are needed to be absorbed to correct previous schemas.
The correct answer is bipolar disorder.
This type of a disorder is characterized by rapid change of moods - one day, a person might feel depressed and very sad, and the other, they might be experiencing extremely elevated moods. This is what happened to Marco in the case above - so he might need to start seeing a therapist or taking medicine.
Answer: Inca
The Incas were one of the most civilized peoples in America. They comprised mainly the Quechua, Aymará, Yunka, etc. tribes, which, according to the Spanish, formed the Empire of the Incas, a name derived from the reigning family belonging to the Quechua tribe, the main of the empire.
The Inca culture has been totally destroyed and today only ruins of its grand monuments, temples and palaces remain.
The English parliament wouldn't give the colonists representatives in the government, so the colonists felt like they had no say in where their tax money was going. (Taxation without representation) So, they broke away from England and started their own country.
