The last description makes the most sense, as to how the wording "mob" and "populace" imply them as behaving as group. Called social group psychology, many people "join the crowd" when it comes to supporting or opposing certain events, causes, or acts.
Hot zone. Air lock. These are both examples of jargon, aka slang.
Answer:
Wishing to inflict evil upon others; having the desire to be hostile and malicious.
Answer:
What are the causes of domestic and international terrorism? (Check
all that apply)
a) High unemployment among youth of color
b) Lack of hope for their futures
c) Lack of engagement in the democratic process
d) Increasing poverty in both poor and developed countries
e) Spread of terrorist ideologies through social media
f) Respect for their religious and cultural beliefs
g) Spread of cheap weapons, explosives, and guns