What type of border would likely have the most protection?
state

province

national

city

Answer;

-A national border

Explanation;

-Borders are geographic boundaries of political entities or legal jurisdictions, such as governments, sovereign states, federated states, and other sub-national entities.

-They separate countries, states, provinces, counties, cities, and towns. A border outlines the area that a particular governing body controls. The government of a region can only create and enforce laws within its borders.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.

c. businesses/firms & government