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.
A delegated power is a power given to the national government. An example is coining money, declaring war, and making treaties with other nations. A reserved power is a power specifically reserved to the states. Powers include setting up local governments and determining the speed limit
Thats because, there was no more war and that people have the right to show liberty and freedom. But during the 1950s there was very less polution and issues. Except for racism, sexism, religious beliefs, discrimination, and bigotry. But also on the 1950s, it was a decade of prosperity is because people can express their cultural beliefs and that their lives start to evolve for the better.
We are promised freedom and rights in the constitution (especially the first amendment).
Gutenburg's printing press made books cheaper and available to a larger variety of people. Before the printing press, books were very hard to make and they took a long time to produce.