Answer:
creation of public schools
Explanation:
 
        
             
        
        
        
"a. Most Americans still lived on farms, even though cities were booming" and "<span>b. Thousands of children worked from sunup to sundown—and a few people began to pay attention" </span>would both be correct. This is what led to the unions. 
        
             
        
        
        
Answer:Helping immigrants and others cope with life in the city
Explanation:
 
        
                    
             
        
        
        
Answer: Manifest Destiny, a phrase coined in 1845, is the idea that the United States is destined—by God, its advocates believed—to expand its dominion and spread democracy and capitalism across the entire North American continent.
Explanation: I learned about this in my 8th grade year and right now in my 10th grade year of  HS. I hope this helps.