Works together to shape policies for the region and encourages economic growth and trade
Answer:
Mourning
Explanation:
Mourning is grief that an individual has inside but express it outside. It can be described as the grief gone to the public or we can say that the grief is expressed outwardly. In this term, no one is right but only can mourn. To express the feeling, crying, art, and music is the way to pay some deeds to a dead person. Spacial anniversary dates for a dead person are some examples of mourning.
Thus here in the above statement Mr. Bergman's wife dead, his family, friends, colleagues wore a black dress, attend the funeral and participated in the burial services. Mr. Bergman covered all things with black clothes because of their tradition and show mourning to the dead person.
They must be kept on hand in order to meet central bank requirements. It ensures the safety of the nations financial institutions. It also is important so that banks always have some money on hand to prevent a run (the bank runs out of cash)