Let us start saying that it was when Schurz was a student at the University of Bonn, in early 1848,  when news reached that the French people had removed their king and had established a representative government.
It was in that precise moment that Schurz got inspired  and mmediately joined a group of revolutionaries determined to fight for civil liberties and national unity in Germany.
The answer to your question is the news that the French people had removed their king and had established a representative government.
 
        
             
        
        
        
OREGON TERRITORY FROM THE BRITISH. LOUSIANA PURCHASE FROM THE FRENCH.
        
             
        
        
        
Jim crow laws were state and local laws that enforced racial segregation in the Southern United States 
        
                    
             
        
        
        
Answer:
Rome was able to gain its empire in large part by extending some form of citizenship to many of the people it conquered. Military expansion drove economic development, bringing enslaved people and loot back to Rome, which in turn transformed the city of Rome and Roman culture.