Harrison and the ballerina are killed for expressing their individuality
        
             
        
        
        
Answer:
The correct answer is A
Explanation:
In the age of technology, a documentary movie or series has  always been one of the most reliable sources of information that one could find. 
Most of the documentaries that had been created throughout history were made with the help of the scientists or experts who excelled at a certain field that is being researched. 
Thus, the most helpful source in researching this question would be 
A) 
 
        
             
        
        
        
Answer:
You could use vulgar?
Explanation:
morally crude, undeveloped, or unregenerate
 
        
             
        
        
        
Photo to see please....................
        
             
        
        
        
Answer:
- In the 1920s, there was a HUGE technological advance, meaning people were starting how to program and build machines, and using those newfound skills to their advantage,
Explanation:
    Basically, people built machines to do work faster, which made more products, which meant more customers. People didn't have to spend a huge amount of money to profit a huge amount of money. That means poor/unemployed people got jobs, and it went down like clockwork, as more customers came, they needed more people, making more jobs, making more money, making the economy skyrocket.