Answer: social structure
Explanation: According to Sociologists, social structure is the distinctive, stable arrangement of institutions whereby human beings in a society interact and cohabit together.however, examples of social structure in sociology are the family, religion, economic, political and education institutions. Social Structure is the relatively stable formal and informal arrangements that characterize a society, including its economic arrangements, social institutions, and values and norms.
 
        
             
        
        
        
One big effect visible today is the fact that Mexico is a contry with Spanish as the majority language. Additionally, the indigenous lost their culture and religion to a great extent and instead adopted the Spanish one. 
The indigenous also mixed with Spanish and now Mexico is a land with many Mestizos, the mixed, and not as many indigenous.
        
             
        
        
        
The answer is more-developed countries. Countries that are
considered to be more developed than most countries such as Japan, has a human
population with a large percent of post-reproductive individuals.
Post-reproductive individuals refers to the occurrence after the time in life
wherein an individual is capable of asexual reproduction. It is commonly found
in more-developed countries and may most likely decrease in size as time
passes.
 
        
             
        
        
        
The speaker of the house, the senate majority leader