Answer:
- infrastructure
- trade
-Visitors and immigration
-civil defense
-border control
Explanation:
-This is the physical system that make up a nation activities which include electricity, road, sewage system, communication.
- This is act of transferring goods and services from an entity to another entity for the exchange of money.
-This is the inflow of people into a country for the purpose of visit or search for greener pastures.
-This is an administration set up to protect citizens from military attacks and natural disasters.
- This are measures taken by a country to monitor it's borders so as to regulate movement of people and goods.
