Changes

'''4. The Incas ''' - The Incas, or sometimes known as the Quechua, living from A.D. 1250 to 1537, and is considered to be the largest civilization in all of the Americas because of their development of a massive empire in the Andes Mountains in South America. Along the Andes mountain range, in the Moche civilization that thrived in South America in the first millennium, were its beginnings. Based on a system of "reciprocity", whereby people traded favors and work in a cooperative manner, and on "verticality", whereby people exploited the advantages of different altitudes in the mountains for jobs like growing different crops, their culture thrived.

'''4. The Incas ''' - The Incas, or sometimes known as the Quechua, living from A.D. 1250 to 1537, and is considered to be the largest civilization in all of the Americas because of their development of a massive empire in the Andes Mountains in South America. Along the Andes mountain range, in the Moche civilization that thrived in South America in the first millennium, were its beginnings. Based on a system of "reciprocity", whereby people traded favors and work in a cooperative manner, and on "verticality", whereby people exploited the advantages of different altitudes in the mountains for jobs like growing different crops, their culture thrived.