What is national security? (7th grade civics)

National security is basically the government ensuring that the state, which includes the citizens, economy or institutions is protected

Explanation:

National security is the requirement to maintain the survival of the state through the use of economic power, diplomacy, power projection and political power.

no because it could make the world a terrible place to live in.

i believe the answer is: true

our brain need to reach a certain level of development   before it could interpret and understood sound with high difficulties. to proof this, we just need to pay attention in musical preference between children and adults. it is far less likely that children would enjoy things such as orchestra or rock band as much as adults due to the difference in this ability.