What term describes when the offspring in a species stay with their mother for life, except possibly splitting off to form their own family groups? patriarchal structure
matriarchal structure
authoritarian structure
oligarchical structure

Analyze and evaluate the motivation and the rationale behind western expansion through the louisiana purchase that took hold in the united states at the start of the 19th century (long essay question)

B. speculate about one positive way and one negative way that this boundary has affected the geographical units it separates over time.

A. describe the model of urban structure most often observed in mega-cities in developing countries. explain how this model differs from common urban structures in north america. b. describe at least two factors leading to the growth of mega-cities in developing or least-developed countries. c. identify and explain two factors that led to the formation of squatter settlements in mega-cities in developing countries.