I believe the answer is "C".
Answer:
They used analytics, social media and big data.
Explanation:
During the elections in 2008, Obama understood the importance and impact that the internet and technology can have on the results and they used social media to reach as many people as they can, informing them and trying to get their votes. They also used analytics science and big data to understand people's behaviours and needs, enabling them to direct their advertisements and movements online and on social media according to that.
I hope this answer helps.
To starve aposing countrys of needed money for goods
Clara Barton couldn’t have made the impact she did without friends. One man who made an indelible difference in her life was the Honorable Henry Wilson. It is not clear when they became friends, but by the end of the Civil War they were very close.
Hope this helped : D