Answer:
social contrast or government intervention
Answer: its B, C, E & F.
Explanation:
i just did it on edgenuity
B: The Federal Government needs to respond quickly.
Congress needs to go through a long and careful process to get things done, not to mention them needing to have the majority of congress agree.
The president/executive branch of the government is made up of much less people, as well as the president himself being commander and chief of the military.
Time is very important during a national emergency, and the president can get things done quickly.
Hope this helps.
So that they can use them as primary sources to find out the most accurate facts