1954, i think, i might be wrong. proceed with caution.
 
        
                    
             
        
        
        
Answer:
Harriet Tubman is perhaps the most well-known of all the Underground Railroad's “conductors.” During a ten-year span, she made 19 trips into the South and escorted over 300 slaves to freedom. And, as she once proudly pointed out to Frederick Douglass, in all of her journeys she “never lost a single passenger.”  Harriet Tubman, too, believed that all men and women are born free.  Hence, it was worth the risk each time she made a trip to the South to gather slaves.
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Answer:
The French Revolution began in 1789, and within three years revolutionaries had overthrown the monarchy and proclaimed a French republic. ... In 1795, Napoleon helped suppress a royalist insurrection against the revolutionary government in Paris and was promoted to major general.
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It started because Lincoln had won the 1860 election on a ticket of no new slave-states, so the South was doomed to be outvoted in Congress, which would pass laws that favoured the North at the expense of the South. So most of the slave-states broke away to form the Confederate States of America.
As for when it started, there was no actual declaration of war. The Confederacy could claim that it didn't want a war at all; it just wanted to defend its borders. Lincoln could not declare war on the Confederacy, because Congress did not recognise it as a sovereign nation.
The first shots were fired by the Confederates at the US Army garrison on the island of Fort Sumter in Charleston harbour on April 12th 1861, and Lincoln called for volunteer troops. The war was on.
 
        
                    
             
        
        
        
Answer:It is industrialization
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