Everything that has a boundary must maintain that boundary. Every cell. Every organism. Every organization. Every structure. This takes energy.
Discussion
Indeed. We walk our fence every morning and every evening. Some days it takes more energy, like if we have to make repairs, other days not so much.
Is this a tweet about immigration?
Not specifically, but the principle applies.
For a State to maintain a consistent population of subjects, it must control migration across its borders. Enforcing that policy takes energy.
Agree