Explain how state and national boundaries follow both natural features and human made lines.

The answer is They are not the same as the city, state, or national limits since they are not set by laws. Actually, districts can be founded on a wide range of qualities. Districts can be founded on major land forms found in a given region. Districts can likewise be founded on what the general population there improves the situation a living or on what dialect is talked there. Not at all like urban communities, states, and countries, most areas are not set apart with signs.  

Explanation:

answer; primary source information;

answer; conditional stimulus will trigger a conditioned response;