<span>The answer would be D.  years old</span>
        
             
        
        
        
At the height of the Great Depression, it was said that about 25% of the labor force was out of work.
        
             
        
        
        
Answer:
The most convincing 'internal' factor behind southern defeat was the very institution that prompted secession: slavery. Enslaved people fled to join the Union army, depriving the South of labour and strengthening the North by more than 100,000 soldiers. Even so, slavery was not in itself the cause of defeat.
 
        
                    
             
        
        
        
Answer:
Railroad expansion affected the US economy by creating jobs, establishing a national market, establishing a cattle industry on the Plains, and allowing certain people to acquire great wealth through investing in the railroad.
Railroads created a more interconnected society. Counties were able to more easily work together due to the decreased travel time. With the use of the steam engine, people were able to travel to distant locations much more quickly than if they were using only horse-powered transportation
Explanation:
 
        
                    
             
        
        
        
Answer:
The closest thing to the word or concept of "equality" in the Constitution is found in the Fourteenth Amendment. Added to the Constitution in 1868, this amendment contains a clause stating that "no state shall . . . deny to any person within its jurisdiction the equal protection of the laws."
Explanation: