Why do we have bank holidays ?

Helen is a u.s. citizen and cpa, who moved to london, england three years ago to work for a british company. this year, she spent the entire year in london and earned a salary of $110,000. how much of her salary will she be allowed to exclude from gross income in the u.s.

Give reason why some traditional caribbean customs are presently changing

How would having more railroad tracks be advantageous during a war