Hernán Cortés was a Spanish conquistador or conqueror that conquered the Aztec empire in 1521 with Help of commanders and leaders like Pedro de Alvarado, Gonzalo de Sandoval, Cristóbal de Olid, Nuño de Guzmán and others
        
             
        
        
        
Answer:
The cell grows into its full size
The cell copies it’s dna
        
                    
             
        
        
        
Answer:
regional governments are weak
Explanation:
A unitary style of government is defined as the government that follow  highest degree of centralization and central/national government holds all the power. 
Regional governments are weak in unitary system and are responsible only to   implement the policies made by the central/national government.
Hence, the correct answer is "regional governments are weak".
 
        
             
        
        
        
A Slums are NOT an example of positive effects of city growth.