<span>-They help to prevent bank runs by reassuring the public that banks will not make too many loans and run out of cash.
-They help to facilitate transfers of funds between banks when a customer from one bank writes a check to a customer of another.
-They help to control the money supply.
Hope I helped </span>
The Abbasids established the new position of vizier to delegate central authority, and delegated even greater authority to local emirs. The Abbasid dynasty ruled as caliphs from their capital in Baghdad, in modern Iraq, after taking over authority of the Muslim empire from the Umayyads in 750 CE.
"The Self" is the answer!!
I believe headaches or stomach cramps if the medicine does not cooperate with your body.