Answer:
shown below
Explanation:
Historians have identified the basic characteristics of civilizations. Six of the most important characteristics are: cities, government, religion, social structure, writing and art.
Economically, the population decrease brought by the Columbian Exchange indirectly caused a drastic labor shortage throughout the Americas, which eventually contributed to the establishment of African slavery on a vast scale in the Americas.
Identity vs. Role Confusion; adolescents search for their sexual & occupational identity through the exploration of their goals, beliefs, and values. If an adolescent fails to establish a sense of identity, he feels unsure of himself and/or his place in society(role confusion/identity crisis).