It was the battle during the Revolutionary War where the British surrendered (1781). It is considered to be the most important battle fought during the war by most historians.
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.
It was because his personality and it offended them
Liberals is the correct answer