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.
Answer:
Economic and environment issues are most challenging for developing countries.
Explanation:
For a developing country, the issues of economic and employment are the most dangerous and challenging as the growth of all the other factors depends on this.
Economic and employment related issues can hamper the growth of the citizens which can further result in the slow development (growth) of the nation as well.
If the people of a developing country are not able to get the jobs it simply means that they are not creating per capita income for the income and thus putting the burden on the economy which is not a good for a developing country.
The answer is B purely due to this statement:
"secures the blessings of liberty" which is in the preamble. Also because it is defined as a natural right. Hope this helps and let me know if you need more help!
