It would be Austria-Hungary’s imperialist ambitions to dominate the Balkans, as they couldn’t possibly stay a united country as there was many different languages and cultures which led to struggles for independence which led to the assassination of Archduke Franz Ferdinand by a Serbian terrorist organization
        
             
        
        
        
Answer:
Plessy v. Ferguson was the case involving an African-American man being denied a first class seat on a 
train.
 
        
             
        
        
        
April fools? Hahahahahahahahahahahahahahahahah
        
                    
             
        
        
        
An empire is an aggregate of many separate states or territories under a supreme ruler or oligarchy.
And Rome or Italian Roma is a city in and the capital of Italy, in the central part, on the Tiber. 
So basically, Rome is also an empire, you can call it the Roman Empire.
        
             
        
        
        
Answer:
typhoon, the other 3 are all direct results of being in the ring of fire