So difference is culture of South America and Mexico and how they alike is that South America is quite on like the Mexico in terms on their history and the Spanish is the real connection of both two and the difference of all of them is their foods, manner and basic habits that both have molds in past years 
        
             
        
        
        
Answer:
 Stop Communism
Explanation
The US wanted to stop the spread of communism so they had send aid to  countries to avoid the idea of communism   
 
        
             
        
        
        
The Republican party became strong in the South, in part because A millions of Southern African American men became voters. B the party did not require a loyalty oath in order to vote. ... During Reconstruction, most African American families in the South A moved to Southern cities, where they worked as skilled laborers.
 
        
             
        
        
        
Miranda v. Arizona
In Miranda v. Arizona, the Supreme Court ruled that detained criminal suspects, prior to police questioning, must be informed of their constitutional right to an attorney and against self-incrimination.
 
        
             
        
        
        
Four years, every 4 years voting takes place