There were many factors that allowed the Byzantine Empire to last a 1000 years after the end of the Roman Empire which include the fact that Constantinople, the capital of the Byzantine Empire, was protected with walls that lasted almost the entire 1000 years, making Constantinople, and the center of the empire's economy/culture impervious to invaders.
        
             
        
        
        
Answer:
The Mexican Cession (Spanish: Cesión mexicana) is the region in the modern-day southwestern United States that Mexico ceded to the U.S. in the Treaty of Guadalupe Hidalgo in 1848 after the Mexican–American War
 
        
             
        
        
        
One way a quadcopter is used today is to capture important events from above if you need a certain angle. Another way is to surveil areas,
 
        
             
        
        
        
Brazil
Colombia
Cuba
Argentina
Boliva
Chile
Costa Rica
Mexico
Panama
Haiti
Peru
        
             
        
        
        
The correct answer would be : Nationalism
Nationalism is a form dignified love towards one's nation or country, which make that person willing to do anything necessary in order to bring Glories to their own country, including preoccupation with distant Lands and also their cultures