-inferior wepons
-disease
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those are the reasons...
        
             
        
        
        
Answer:
by make peace in society public Partipationn due to employment 
 
        
             
        
        
        
Answer:b) naturalistic observation
Explanation:
Naturalistic observation is a technique under which observation of the subject is done in its natural environment. 
Usually this technique is used when lab research will be unreasonable.
How Does Naturalistic Observation Work?
This technique may be used just because people's responses may be more effective when they are in their comfortable environment than when they are in a lab for research purposes.
Sometimes the result of the research are more effective when the behaviour is observed in an exactly moment when it happens. By watching how people respond to certain situations and stimuli in real-life, psychologists can get a better idea of how and why people react. 
 
        
             
        
        
        
Answer:
n a free market economy, the law of supply and demand, rather than a central government, regulates production and labor. Companies sell goods and services at the highest price consumers are willing to pay while workers earn the highest wages companies are willing to pay for their services.
Explanation:
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It was World War I itself that helped contribute to the rise of anti-immigrant, anti-socialist, and anti-anarchist feelings in the United States during this time, since many Americans felt that the US was wasting time and American lives by fighting a war in Europe for Europeans.