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In the short run,a factor that leads to changes in U.S.imports is
Drive-reduction Theory
A theory of motivation proposing that the presence of a need creates a drive to eliminate or satisfy that need, thereby restoring balance or homeostasis.
Homeostasis
The process by which biological systems tend to maintain stability while adjusting to conditions that are optimal for survival.
Primary Drives
Basic, innate urges that motivate behavior necessary for survival, such as hunger, thirst, sleep, and avoidance of pain.
Secondary Drives
Learned drives that are derived from primary drives or arising from learned associations with satisfying basic needs.
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