It should be C if not then I’m so sorry
October 29, 1929 is the day on which the Great Depresion started
Probably 1, however I can see why that would be a tiny bit confusing.
Building walls protects from incoming invaders(at least back in the day), creating armies, makes a force to go and fight to protect the people, and what was the other one? Oh yea, moving to a safer place.
Doing that would mean making invasions less likely, and making your people feel and be safer.
Hope this helps.
Answer:
The Tragedy of Hamlet, Prince of Denmark, often shortened to Hamlet, is a tragedy written by William Shakespeare sometime between 1599 and 1601 it is set in Denmark, the play depicts Prince Hamlet and his revenge against his uncle, Claudius, who has murdered Hamlet's father in order to seize his throne and marry Hamlet's mother.
I think it was because Children would listen better, and would have no control over what they were doing int he factory, while men may have put up a fight, and would refuse to listen. Also Children were more easily bribed, and brainwashed than adults