Answer:
Explanation:
The United States tried to limit North Vietnam's power as they were afraid of a domino effect occurring and the spread of communism into other neighboring nations occurring
 
        
             
        
        
        
They had similar trading methods and some of the same trading goods
        
             
        
        
        
The Spanish Civil war was the conflict that raged on part of
the Iberian Peninsula during 1936 until 1939. 
This conflict also resulted to the victory of Fascist forces headed by
Francisco Franco.  The Iberian Peninsula
was known as a region without discernible place.
 
        
             
        
        
        
Areas like the Indus Valley Civilization (India), Egypt and China developed advanced civilizations first. Yes, geography played an important role. All of these civilizations had large rivers to support agriculture, Indus river in Indus Valley Civilization, Nile river in Egypt and Yellow river in China.