I have no idea but gl I hope u find an anwser
I believe B (EARTHQUAKE SAFETY ALERTS.)
Answer:
This period is known as the Red Scare.
Explanation:
The Red Scare, also known as <em>McCarthyism</em>, was the period in time in which <em>fear of a possible communist or anarchist rise </em>was spread. Its name derived from the red flags commonly used by communists.
This point in time rose <em>fear of foreigners</em>, fears of communist influence as well as <em>infiltration within the U.S. government</em>.