The correct answer to this open question is the following.
Although there are no options attached we can say the following.
The role that geography play in the development of early people who lived in this region was very important a determined the characteristics of the civilization they developed.
Native American Indian people in North American such as the Mound-building people, Mesoamerican civilizations such as the Aztecs and the Maya, or empires in South America such as the Incas, had to adapt to the geographical circumstances in order to develop and prosper.
For instance, the Aztecs were very smart people and outstanding engineers. They had to adapt to the geographical conditions to build the capital city of the empire -the Great City of Tenochtitlan- in the middle of a lake. They built water canals to navigate across the city.
In the case of the Incas, they had to overcome many adversities to built its city at the top of the Andes Mountains of Perú, where they built the impressive city of Machu Picchu