A rise in society's population that is concentrated primarily in major cities is known as Urbanization. 
Urbanization may occur both from the population shift from rural to urban residency as well as by population growth within the cities and can be understood as the the gradual increase in the proportion of people living in urban areas as opposed to rural areas.
 
        
             
        
        
        
Answer:
D. Spanish Colonization 
Explanation:
Spanish Colonization started when Christopher Columbus found the Natives and turned them into slaves and made them mine gold for his own profit, he also tried to sell them away as slaves. When more people started to come to America during the Spanish Colonization, diseases and illnesses killed many Native Americans as they had no illness resistance. Lots of Natives were also forced into slavery by the Spanish, mostly in mining as lots of gold and other profitable materials were there. Eventually, as many of the Natives kept dying of diseases the Spanish decided to get African Americans for slaves instead as they had a better resistance against diseases and illnesses.
 
        
             
        
        
        
D cause<span> since the primary cause of the Mexican Revolution was that domestic political "winds" had shifted in an undesirable way for the majority of the Mexican people. </span>
        
             
        
        
        
Answer: C is the answer you're looking for :)