The answer is trade or something
        
             
        
        
        
Answer:
D 
Explanation:
They said shortly after the U.S. military left they fell to North Vietnam
 
        
             
        
        
        
After many years of conflict, the nation gained its independence on 11 November 1975, after the 1974 coup d'état in Lisbon, Portugal. Portugal's new leaders began a process of democratic change at home and acceptance of the independence of its former colonies.
Au revoir mon amour <3
 
        
             
        
        
        
The nuclear arms race was an arms race competition for supremacy in nuclear warfare between the United States, the Soviet Union, and their respective allies during the Cold War.
        
             
        
        
        
Martin Luther King Jr was against racism