Answer:
A) Conquest of Persia by Alexander of Macedon. 
 
        
             
        
        
        
Answer:
The discovery of the Spindletop geyser in 1901 drove huge growth in the oil industry. Within a year, more than 1,500 oil companies had been chartered, and oil became the dominant fuel of the 20th century and an integral part of the American economy.
Explanation:
 
        
                    
             
        
        
        
The reason why there is such a difference between civilian deaths in WWI and WWII was that civilians were deliberately targeted in WWII. 
<h3>Why were there more civilian deaths in WWII?</h3>
In WWII, the combatants targeted civilians directly in some cases as opposed to WWI where civilian deaths were limited.
For instance, WWII saw the Nazis targeting specific populations such as Jews. The allies also targeted civilian areas during their bombing raids in order to pressure the Nazis to surrender. 
Find out more on civilian deaths in WWII at brainly.com/question/10577518.
 
        
             
        
        
        
Nazis invaded the soviet union in 1941
        
             
        
        
        
Answer:
It is Central Africa. 
Explanation:
It is Central Africa because it is very poor there and the leaders are too greedy to use money for creating factories and putting their own people to work.