It's D. The verb 'buy' is transitive as it takes a DO.
        
             
        
        
        
Answer:
O It demonstrates how social media has the capacity  to spread information faster than traditional outlets.
Explanation:
In the article "The Role of Social Media in the Ar a b Up ris ings", the writers He at her B ro wn, E m ily G u skin and A m y M i t c he ll delve into the role of social media such as Tw i t ter and Face book in sharing or spreading the news. This article tries to show how social media played a huge role in communicating and providing a platform for the protesters to interact with each other.
In the given passage from the article, the authors wrote how media was used not only about the A r ab Up ris ings but also in other fields. For instance, the death of W h it n ey H o u ston, a world-famous singer, was announced dead by Tw i tter <em>"55 minutes before the AP confirming the story"</em> which shows how traditional news outlets were slower than social media.
Thus, the correct answer is the last/ fourth option.
 
        
             
        
        
        
Answer:
While slavery was the major issue separating the North and South, it was not slavery itself that sparked the conflict. The South wanted to secede from the Union, and the North refused. While President Abraham Lincoln personally opposed slavery, he recognized that it was legal under the U.S. Constitution at the time. He also recognized that few in the North were ready to go to war to free the slaves. For Lincoln and the northern majority, preservation of the Union was the foremost goal.