Answer: Central intelligence Agency (CIA)
Explanation:
Central intelligence agency is a civilian foreign agency service of the United States of America, which have been given the responsibility of gathering and analyzing national security information from around the world through it's source; humans or husn intelligence.
The two achievements of the Tigris-Euphrates River Valley Civilization are building the temple and the invention of the wheel.
The recent research showed that glial cells have more activity and are essential than previously thought. First, they help in neuronal communication; they help to potentiate the communication between the neurons, also, it potentiates the cerebral functions like being the thought and the emotions, and finally, these cells migrate to regions of the brain where pathologies are found and proliferate, interacting with the immunological system.
