I believe the correct answer is: a token economy.
A token economy represents a form of behavior modification
which is designed to increase desirable behavior and decrease undesirable
behavior with the use of tokens. When individuals display desirable behavior,
they receive tokens. The collected tokens may later be exchanged for a
meaningful object or privilege.
Since Tim suffers from attention deficit hyperactivity
disorder (adhd), his teachers and parents apply a token economy to reward him
with stars for desirable behaviors.
<span>They traded silently to keep their gold mines' locations secret.</span>
- The U.S. Transportation Command (USTRANSCOM),
- the U.S. Special Operations Command (USSOCOM),
- the U.S. Strategic Command (USSTRATCOM),
- and the U.S. Cyber Command (USCYBERCOM)
comprise the functional combatant commands (b).
The U.S. Department of Defense is composed of eleven combatant commands. Their mission is either functional, like the four commands listed above, or geographic. The seven geographic combatant commands are:
- the U.S. Africa Command (USAFRICOM),
- the U.S. European Command (USEUCOM),
- the U.S. Indo-Pacific Command (USINDOPACOM),
- the U.S. Northern Command (USNORTHCOM),
- the U.S. Southern Command (USSOUTHCOM),
- the U.S. Central Command (USCENTCOM),
- and the U.S. Space Command (USSPACECOM).