-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.
National border is the type of border among the following choices given in the question that would likely have the most protection. The correct option among all the options that are given in the question is the third option or the penultimate option. I hope the answer helps you.
I believe your answer is: <span>
</span><span>D. Specialization </span> Just like a business may specialize in one sort of service, a branch of government may do the same. <span />
<span>They built them up for territorial conquests. They also needed to be prepared for war as they challenged the power of nations like Britain and the United States.</span>