<span>D.He had two terrorist centers bombed in retaliation.
</span>
        
             
        
        
        
Answer:
C
Explanation:
The Europeans who were immune to the diseases carried them over to the Native Americans, who had never been exposed to those diseases before, and it killed millions.
 
        
                    
             
        
        
        
B. To assure that no one person or group has too much power.
        
             
        
        
        
<span>Following the stock market crash, many industrial nations responded by imposing high tariffs. A tariff is simply just a type of tax that is applied to imports and exports that are traded between two sovereign states. Sometimes the term tariff is occasionally used to describe any list of price, but that is fairly rare in the English language.</span>
        
             
        
        
        
Answer: In 1959, a young senator wrote an article for a young magazine called "TV Guide" trumpeting the potential for the new medium of television to permanently change the way politics worked. In a little more than a year, that same senator, John F. Kennedy, would be elected president of the United States, thanks in no small part to his charismatic performance in a series of televised debates with opponent Richard Nixon and a TV ad campaign that featured some catchy jingles. Three years later, news coverage of Kennedy's assassination would captivate the country, becoming one of the first major tragedies covered by network news [source: Kaid]. By that time, television's place in shaping the political landscape was undeniable.
Explanation: