Slavery increased cash crop production, making many slave owners in the south of North America wealthy. Hope i helped! ;)
        
                    
             
        
        
        
The main reason why America joined WWI was the German's use of submarines in the North Atlantic and the Mediterranean.
<h3>What were British strategies in WWI?</h3>
The main strategy of the British during World War I was the use of blockade of Germany so that they would be cut off from supplies.
Hence, we can see that the British and German navies were locked in battle and this made it difficult for America to remain neutral in the war the United States decided to join the war after the blockade which led to economic difficulty for America also the presence of German U-boats.
Read more about WWI here:
brainly.com/question/446364
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The correct answers are: insurance benefits, improved working conditions, and fewer hours. 
These three results of the labor movement are due to the constant protest and unionization of American workers. Organizations such as the American Federation of Labor and United Mine Workers helped to create a work environment that involved more protections. This included the implementation of the 5 day work week and the 40 hour work week. Along with this, safety measures were passed and companies started to offer benefits to workers such as health insurance (especially during World War II).  
        
             
        
        
        
It gave empires new technologies and attracted more people
        
             
        
        
        
Answer:
I would say dw about the ppl who be hating for no reason. They just jealous of u and they got nth better to do
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