What would be an example of government health protecting the physical security of the nation?

What would be an example of government health protecting the physical security of the nation?
 
  a. veterans' hospitals
  b. government paying for coverage
  c. viewing health care as a right
  d. employer-based insurance

Question -2-

Ultimate authority is assigned to the national government, and subnational governments exercise only the powers the central government chooses to delegate in a(n) __________ system.
 
  A) unitary
  B) confederal
  C) federal
  D) authoritarian
  E) bicameral

Question -3-

Which of the following represents informal constitutional change specifically through interpretation, custom and usage?
 
  A) nominations, campaigns, and electoral processes for presidential elections
  B) legislation defining terms and application of the commerce clause
  C) the legal interpretation of separate but equal
  D) passage of the amendment enabling women to vote
  E) creation of the DREAM Act